aledm03/my_precious_no_code · Datasets at Hugging Face

file stringclasses 23 values	subcategory stringclasses 842 values	input stringlengths 6 526	options sequencelengths 4 4	answer stringclasses 4 values
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	Which of the following statement is true?	[ "A scalar is any physical quantity that can be completely specified by its magnitude", "A vector is any positive or negative physical quantity that can be completely specified by its magnitude", "A scalar is any physical quantity that requires both a magnitude and a direction for its complete description", "A scalar is any physical quantity that can be completely specified by its direction" ]	A
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	For two vectors defined by an arrow with a head and a tail. The length of each vector and the angle between them represents:	[ "Their magnitude’s square and direction of the line of action respectively", "Their magnitude and direction of the line of action respectively", "Magnitude’s square root and direction of the line of action respectively", "Magnitude’s square and the ratio of their lengths respectively" ]	B
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	If a vector is multiplied by a scalar:	[ "Then its magnitude is increased by the square root of that scalar’s magnitude", "Then its magnitude is increased by the square of that scalar’s magnitude", "Then its magnitude is increased by the amount of that scalar’s magnitude", "You cannot multiply the vector with a scalar" ]	C
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	All the vectors quantities obey:	[ "Parallelogram law of addition", "Parallelogram law of multiplication", "Parallelogram law of addition of square root of their magnitudes", "Parallelogram law of addition of square of their magnitudes" ]	A
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	A force vector with magnitude R and making an angle α with the x-axis is having its component along x-axis and y-axis as:	[ "Rcosine (α) and Rsine(α)", "Rcosine (180-α) and Rsine(α)", "Rcosine (180-α) and Rsine(180+α)", "Rcosine (α) and Rsine(180+α)" ]	A
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	Dividing the X-axis component and the Y-axis component of the of the vector making an angle with Y-axis α will give us.	[ "Cot α", "Tan α", "Sec α", "1" ]	B
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	The magnitude of the resultant of the two vectors is always_____________	[ "Greater than one of the vector’s magnitude", "Smaller than one of the vector’s magnitude", "Depends on the angle between them", "Axis we choose to calculate the magnitude" ]	C
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	If two equal vector forces are mutually perpendicular then the resultant force is acting at which angle as compared to one of the vector?	[ "45 degree", "90 degree", "180 degree", "0 degree" ]	A
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	What is the direction of the resultant vector if two vectors having equal length is placed in the Cartesian plane at the origin as, one being parallel to and heading towards positive x-axis and the other making 165 degree with it and heading in the opposite direction of that of the first one?	[ "It is either in the 1st quadrant or in the 2nd quadrant", "It is either in the 1st quadrant or in the 3rd quadrant", "It is either in the 1st quadrant or in the 4th quadrant", "Only in the 1st quadrant" ]	C
1000-engineering-mechanics-questions-answers	Addition-of-a-System-of-Coplanar-Forces	Force vector R is having a______________	[ "Length of R and a specific direction", "Length of R", "A specific direction", "Length of magnitude equal to square root of R and a specific direction" ]	A
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	In right handed coordinate system which axis is considered to be positive?	[ "The thumb is z-axis, fingers curled from x-axis to y-axis", "The thumb is x-axis, fingers curled from z-axis to y-axis", "The thumb is y-axis, fingers curled from x-axis to z-axis", "The thumb is z-axis, fingers curled from y-axis to x-axis" ]	A
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	If A is any vector with Ai + Bj + Ck then what is the y-axis component of the vector?	[ "B units", "A units", "C units", "Square root of a sum of squares of the three, i.e. A, B and C" ]	A
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	If the force vector F is having its x-axis component being equal to Z N, y-axis component be X N and z-axis component be Y N then vector F is best represented by?	[ "Xi + Yj + Zk", "Yi + Xj + Zk", "Zi + Yj + Xk", "Zi + Xj + Yk" ]	D
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	Which statement is right for force vector F = Ai + Bj + Ck?	[ "In rectangular components representation of any vector we have vector F = Ai + Bj + Ck", "In rectangular components representation of any vector we have vector F = Ax + By + Cz", "In rectangular components representation of any vector we have vector F = Fx + Fy + Fz", "In rectangular components representation of any vector we have vector F = Fi + Fj + Fk" ]	C
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	What is the magnitude of the Cartesian vector having the x, y and z axis components to be A, B and C?	[ "Square root of the squares each A, B and C", "Square of the squares each A, B and C", "Cube root of the squares each A, B and C", "Cube of the squares each A, B and C" ]	A
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	What is cosα for force vector F = Ax + By +Cz (Given α, β and γ are the angles made by the vector with x, y and z axis respectively)?	[ "B/F", "C/F", "A/F", "1" ]	C
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	What is the sum of squares of the cosine angles made by the force vector with the coordinate axis?	[ "1", "½", "2", "3" ]	A
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	What is the x-axis component of the force vector Ai + Bj +Ck with magnitude equal to F?	[ "B", "C", "Fcosα", "Fcosβ" ]	C
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	For a vector F, Fcosβ is equal to zero. What does this refer?	[ "X-axis component is zero", "Y-axis component is zero", "Z-axis component is zero", "β = 180˚" ]	B
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	Which statement is correct about the vector F?	[ "F= Fcos β + Fcos α + Fcosγ", "F= Fsin β + Fcos α + Fcosγ", "F= Fcos β + Fsin α + Fcosγ", "F= Fcos β + Fcos α + Fsinγ" ]	A
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	Which is true?	[ "∑F = ∑Fx + ∑Fy + ∑Fz", "∑F = -(∑Fx + ∑Fy + ∑Fz)", "∑F = ∑Fxi + ∑Fyj + ∑Fzk", "∑F = -(∑Fxi+ ∑Fyj + ∑Fzk)" ]	C
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	Find the angle α, for the vector making an angle by y and z axis as 60˚ and 45˚ respectively. It makes an angle of α with x-axis. The magnitude of the force is 200N.	[ "60˚", "120˚", "45˚", "90˚" ]	A
1000-engineering-mechanics-questions-answers	Cartesian-Vectors-in-Engineering-Mechanics-–-1	What is the magnitude of the resultant force when F1 = 60j + 80k and F2 = 50i – 100j + 100k?	[ "188 unit", "191 unit", "181 unit", "120 unit" ]	B
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	For two vectors A and B, what is A.B (if they have angle α between them)?	[ "\|A\|\|B\| cosα", "\|A\|\|B\|", "√(\|A\|\|B\|) cosα", "\|A\|\|B\| sinα" ]	A
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	Which statement is right?	[ "Communitive law: A.B =B.A", "Multiplicative law: a(A.B) = Ax(aB)", "Multiplicative law: A.(B+D) = (A.B) + (A.D)", "Communitive law: a(A.B) = A.(aB)" ]	A
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	What is Distributive law?	[ "A.B =B.A", "a(A.B) = A.(aB)", "A.(B+D) = (A.B) + (A.D)", "a(A.B) = AxB" ]	C
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	What is multiplication law?	[ "A.B =B.A", "a(A.B) = A.(aB)", "A.(B+D) = (A.B) + (A.D)", "a(A.B) = AxB" ]	B
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	Which is true for two vector A = A1i + A2j + A3k and B = B1i + B2j + B3k?	[ "A.B = A1B1 + A2B2 + A3B3", "AxB = A1B1 + A2B2 + A3B3", "A.B = A1B2 + A2B3 + A3B1", "AxB = A1B2 + A2B3 + A3B1" ]	A
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	Determine the magnitude of the force F = 300j parallel to the direction of AB?	[ "155N", "257.1N", "200N", "175N" ]	B
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	What is k.i?	[ "0", "1", "-1", "∞" ]	A
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	What is {(i.i) + (-i.j) + (-k.k) + (k.i)}.(Ai +Bj + Cz)?	[ "1", "0", "A + B + C", "-1" ]	B
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	α = cos-1(A.B/AB). What is the range of α?	[ "0˚<α<90˚", "0˚<α<180˚", "90˚<α<180C", "0˚<α<45˚" ]	B
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	What is the value of {(AxB).(C.D)x(AxB).(C.D)}? For the four vectors A, B, C and D, with A, B, C and D all lying in the same plane?	[ "i + j + k", "√3(i + j + k)", "0", "-1(i + j + k)" ]	C
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	What is (AxB).(BxA); or A = A1i + A2j + A3k and B = B1i + B2j + B3k?	[ "0", "A1B1A2B2i + A2B2A3B3j + A3B3A1B1k", "A1B1A1B2i + A2B2A3B2j + A3B3A1B3k", "A1B1A2B1i + A2B2A2B3j + A3B3A2B1k" ]	A
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	What is the value of θ in the figure given below?	[ "69˚", "60˚", "55˚", "90˚" ]	A
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	Refer to the diagram given below, determine the magnitude of the force F = 300j perpendicular to the direction of AB.	[ "155N", "257.1N", "200N", "175N" ]	A
1000-engineering-mechanics-questions-answers	Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1	Determine the magnitude of the projection of the vector force F = 100N, onto the v axis, from the figure given below.	[ "96.6N", "60N", "100N", "70.7N" ]	A
1000-engineering-mechanics-questions-answers	Three-Dimensional-Force-System	What is not the condition for the equilibrium in three dimensional system of axis?	[ "∑Fx=0", "∑Fy=0", "∑Fz=0", "∑F≠0" ]	D
1000-engineering-mechanics-questions-answers	Three-Dimensional-Force-System	Determine the value of the q, parallel to the z-axis. That is the point of intersection of the projections of the points A, B and C parallel to the xy plane. With the distance between the tri-section point and the points A, B and C be equal to 0.6m.	[ "51.9cm", "51.9mm", "51.9m", "5.19mm" ]	A
1000-engineering-mechanics-questions-answers	Three-Dimensional-Force-System	When the body is in equilibrium then which of the following is true?	[ "We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude", "We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude square", "We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude square root", "We equate all the components of the forces acting on the body equal to zero" ]	D
1000-engineering-mechanics-questions-answers	Three-Dimensional-Force-System	If the resolved force or the force which you get as the answer after solving the question is negative, then what does this implies?	[ "The force is in the reverse direction w.r.t the direction set in the free body diagram", "The force is not in the reverse direction w.r.t the direction set in the free body diagram", "The force component is not possible", "The force is possible, but in the direction perpendicular to the resultant force" ]	A
1000-engineering-mechanics-questions-answers	Three-Dimensional-Force-System	An electromagnet crane is carrying the electromagnet with the help of the three cables. But the electromagnet is not stable because of the wind. What is science behind the cause?	[ "The wind is making the net force of the body equal to a non-zero value", "The wind is making the net force of the body equal to zero value", "The wind is making the net force of the body equal to a non-zero value but is supporting the equilibrium", "The wind is making the net force of the body equal to zero value and supporting equilibrium" ]	A
1000-engineering-mechanics-questions-answers	Three-Dimensional-Force-System	If anybody is tied to three or more ropes, and then is allowed to achieve its equilibrium. Then the equilibrium achieved is achieved w.r.t what?	[ "The three axis of the body", "The ground", "The ropes direction", "The weight direction" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	Determine the smallest force applied at R which creates the same moment about P as by 75N.	[ "37.5N", "112.5N", "60N", "0N" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	What does the moment of the force measure?	[ "The tendency of rotation of the body along any axis", "The moment of inertia of the body about any axis", "The couple moment produced by the single force acting on the body", "The total work is done on the body by the force" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	If a car is moving forward, what is the direction of the moment of the moment caused by the rotation of the tires?	[ "It is heading inwards, i.e. the direction is towards inside of the car", "It is heading outwards, i.e. the direction is towards outside of the car", "It is heading forward, i.e. the direction is towards the forward direction of the motion of the car", "It is heading backward, i.e. the direction is towards the back side of the motion of the car" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	The tendency of rotation of the body along any axis is also called ___________	[ "Moment of inertia", "Moment of couple", "Torque", "Force" ]	C
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	Find the moment along T.	[ "1200Nm", "600Nm", "0Nm", "1400Nm" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	If you are getting to know about the direction of the moment caused by the force applied on the body by using your wrist and curling it in the direction of the rotation then which of the following is not right?	[ "The thumb represents the direction of the force", "The thumb represents the direction of the moment", "The fingers represent the direction of the force", "The direction in which you curl your wrist is towards the direction of the distance from point of contact of force to the axis of rotation." ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	The moment axis, force and the perpendicular distance in the moment of the force calculation is lying in____________	[ "Two planes perpendicular to each other", "A single plane in the direction of the force", "A single plane in the direction of the perpendicular distance", "A single line in the direction of the force" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	If the rotation is clockwise in this page, suppose, then in which direction will the thumb project if you curl your hand in the same direction of the rotation?	[ "It will point to the direction perpendicular to the plane of the paper and towards you", "It will point to the direction perpendicular to the plane of the paper and away from you", "It will point to the direction parallel to the plane of the paper and towards right", "It will point to the direction parallel to the plane of the paper and towards left" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	Which of the following is true?	[ "Total moment of various forces acting on the body is the vector sum of all moments", "Total moment of various forces acting on the body is the algebraic sum of all moments", "Total moment of various forces acting on the body is always zero", "Total moment of various forces acting on the body is the vector sum of all moments which is perpendicular to each other forces" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	Find the moment along Q.	[ "1200Nm", "600Nm", "0Nm", "1400Nm" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-–-1	Determine the moment of the force along point P.	[ "110Nm", "112.5Nm", "60Nm", "0Nm" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	Determine the moment’s magnitude produced by the force as shown in the diagram, which tends to rotate the rod ORQP along QP.	[ "80.49 Nm", "72.12 Nm", "-36.67 Nm", "36.67 Nm" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	In the calculation of the moment of the force about the axis, the cross product table, i.e. the 3X3 matrix which is made for doing the cross product having 3 rows, contains three elements. Which are they from top to bottom?	[ "Axis coordinates, point coordinates, and the force coordinates", "Point coordinates, axis coordinates, and the force coordinates", "Axis coordinates, force coordinates, and the point coordinates", "Force coordinates, point coordinates, and the axis coordinates" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	Which of the following is correct? (For A representing the vector representation of the axis of rotation, r the radius vector and F the force vector)	[ "A.(rxF)", "Ax(rxF)", "A.(r.F)", "Fx(r.F)" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	In the equation A.(rxF), the r vector is what?	[ "The magnitude of the axis, i.e. the length of the axis", "The length of the force vector", "The length of the radius", "The radius vector" ]	D
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	Which of the following is correct?	[ "We cannot represent the moment caused by the force along any axis in vector form", "We can represent the moment caused by the force along any axis in the scalar form", "We cannot represent the moment caused by the force along any point in vector form", "We can represent the moment caused by the force along any axis in vector form" ]	D
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	What if the perpendicular distance from the axis is infinity?	[ "The rotation is not possible", "The rotation is possible but the moment generated is very less", "The force applied will be very much high for even a small rotation", "No rotation unless the contact is being broken" ]	C
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	In the equation A.(rxF) the r is heading from ______________ and ending at _____________	[ "Axis of rotation, Force vector", "Axis of rotation, Force vector’s point of action on the body", "Force vector, Axis of rotation", "Force vector’s point of action on the body, Axis of rotation" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	What if the moment of the force calculated about the axis is negative?	[ "It means that the force is applied in the opposite direction as imagined", "It means that the direction of the motion is in the opposite sense as imagined", "It means that the radius vector is in the opposite sense as imagined", "Such calculation means that the calculations are wrongly done" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	Determine the moment MQP in the vector form produced by the force as shown in the diagram, which tends to rotate the rod ORQP along QP.	[ "72i + 36j Nm", "72i – 36j Nm", "-72i – 36j Nm", "-72i + 36j Nm" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	Determine the moment of the force F along the segment QP of the pipe assembly shown in the figure.	[ "110Nm", "100Nm", "500Nm", "510Nm" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	Determine the magnitude of the moment of the force about the axis PQ.	[ "-72Nm", "82Nm", "90Nm", "50Nm" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	Determine the magnitude of the moment of the force about the y-axis.	[ "-72Nm", "82Nm", "210Nm", "50Nm" ]	C
1000-engineering-mechanics-questions-answers	Moment-of-a-Force-on-a-Specified-Axis	The ___________ forces do not cause the rotation if the rotation is considered in about the axis of the body or the centroid axis of the body.	[ "Non-concurrent", "Concurrent", "Parallel", "Non-Parallel" ]	B
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	The distance between the forces acting in the couple is ____________	[ "Infinity", "Zero", "A finite distance", "A circular loop" ]	C
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	The resultant force acting in the couple is _________	[ "Zero", "Infinite", "Twice the magnitude of the single force", "Half the magnitude of the single force" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	Which of the following is correct for the moment of couple M caused by two forces of same magnitude F and are separated by a distance of r?	[ "M = rxF", "M = r.F", "M = -(rxF)", "M = -(r.F)" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	A couple moment is a _______ vector.	[ "Gradient", "Scalar", "Del", "Free" ]	D
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	Determine the couple moment acting on the beam shown.	[ "20KNm", "21KNm", "22KNm", "19KNm" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	Which of the following is correct?	[ "The couple moment depends on the axis of rotation", "The couple moment depends directly on the radius vector of forces", "The couple moment depends only on the distance vector between the forces", "The couple moment’s direction is given by the left hand rule" ]	C
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	If the forces acting on the couple are in the same direction, that is they are not in the opposite direction as always they are, then?	[ "The direction of the forces doesn’t determine the moment", "The couple moment will be maximum", "The couple is not possible", "No change occurs" ]	C
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	Determine the couple moment acting on the pipe shown.	[ "-130Nm", "130Nm", "-120Nm", "120Nm" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	The resultant couple moment is ____________ sum of various couples acting on the body.	[ "Vector", "Scalar", "Scalar Triple", "Dot" ]	A
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	Determine the couple moment acting on the triangular plane shown.	[ "1600Nm", "100Nm", "2600Nm", "600Nm" ]	C
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	If two forces magnitude F each are acting in the Cartesian coordinate and are acting at the points A(3,3) and B(-3,3). They are heading towards negative z direction and positive z direction respectively. The distance between them is given as r. The radius vectors of the force at A and B are Ra and Rb respectively. Then the moment is given as:	[ "(Ra-Rb).F", "(Rb-Ra).F", "(Ra-Rb)xF", "(Rb-Ra)xF" ]	D
1000-engineering-mechanics-questions-answers	Moment-of-a-Couple-in-Engineering-Mechanics	Determine the couple moment acting on the pipe shown.	[ "108j + 144k Nm", "-108j + 144k Nm", "108j – 144k Nm", "-108j – 144k Nm" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	The principle of transmissibility is	[ "It states that the force acting on the body is a sliding vector", "It states that the force acting on the body is a rolling vector", "It states that the force acting on the body is a wedging vector", "It states that the force acting on the body is a unit vector" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	What will be the total resultant force acting vertically in the figure given below consisting of a beam with various sections?	[ "350N", "50N", "250N", "300N" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	The simplification of the couple is done on the basis of the ______________	[ "The clockwise of the anti-clockwise rotation sign convention", "The simplification is not possible", "The couple is a vector and thus can’t be simplified", "The couple is a scalar and can’t be simplified" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	The simplification of the forces on the axis is done as______________	[ "A particular system of rule is followed", "No simplification of the forces is possible", "The forces are already simplified and don’t need simplification", "The forces are very tentative quantity on terms of simplification and hence no simplification possible" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	Find the total resultant force acting horizontally in the given figure consisting of a beam of ‘L’ shape?	[ "60N", "605N", "0N", "6N" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	The couple is a scalar quantity and the force is vector quantity and hence only force can be simplified as __________	[ "The first part of the statement is false and another part is true", "The first part of the statement is false and another part is false too", "The first part of the statement is true and another part is false", "The first part of the statement is true and another part is true too" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	The force and the couple can’t be simplified together as one is the cause and the other is the effect.	[ "The statement is correct and the reason given is also correct", "The statement is wrong but the reason given is also correct", "The statement is wrong and the reason given is also wrong", "The statement is correct but the reason given is also wrong" ]	C
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	The main moto of the simplification is to ______________	[ "To reduce the calculation", "To add the forces with the couples and take out the total", "To subtract the forces with the couples and take out the total", "To multiply the forces with the couples and take out the total" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	Find the total resultant force acting vertically in the given figure below consisting of a beam of ‘L’ shape.	[ "180N", "18N", "10N", "100N" ]	A
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	The couple is simplified easily with the help of right hand rule. But the forces simplification is not possible as there is no such system of rules so that the forces can be simplified.	[ "The first part of the statement is false and another part is true", "The first part of the statement is false and another part is false too", "The first part of the statement is true and another part is false", "The first part of the statement is true and another part is true too" ]	C
1000-engineering-mechanics-questions-answers	Simplification-of-a-Force-and-Couple-System-–-1	Find the total resultant moment acting vertically in the given figure below consisting of a beam of ‘L’ shape.	[ "640Nm", "60Nm", "40Nm", "400Nm" ]	A
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	There are two types of loading. The uniformly distributed and the non-uniformly distributed that is the one having two different values at corners.	[ "The first part of the statement is false and other part is true", "The first part of the statement is false and other part is false too", "The first part of the statement is true and other part is false", "The first part of the statement is true and other part is true too" ]	D
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	In the simplification of the loading system, the net force acts at the ___________ of the loading body.	[ "Centroid", "The centre axis", "The corner", "The base" ]	A
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	In triangle distributed loading, the loading at any distance can be easily found by using which of the following trigonometry function?	[ "Tangent", "Sine", "Cosine", "Sine inverse" ]	A
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	Determine the magnitude of the resultant force acting on the shaft shown. The length is 2m.	[ "160N", "16N", "169N", "111N" ]	A
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	If the non-Uniform loading is of the type of parabola then?	[ "The net load will not be formed as all the forces will be cancelled", "The net force will act the centre of the parabola", "The net force will act on the base of the loading horizontally", "The net force will act at the centroid of the parabola" ]	D
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	If any external force also is applied on the distributed loading then?	[ "The net force will act at the centroid of the structure only", "The net load will not be formed as all the forces will be cancelled", "The net force will act on the base of the loading horizontally", "The net force will not to be considered, there would be a net force of the distribution, rest will be the external forces" ]	D
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	The resultant force acting, of the uniformly distributed loading, is dependent on:	[ "Area", "Vertical distance", "Length of the supports", "The distance of the supports between them" ]	A
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	The difference between the two types of loading namely uniformly distributed and the non-uniformly distributed loading is that:	[ "The latter has the involvement of the integration for the calculation of the net force", "The former has the involvement of the integration for the calculation of the net force", "The latter has the involvement of the differentiation for the calculation of the net force", "The former has the involvement of the differentiation for the calculation of the net force" ]	A
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	Determine the location of the resultant force acting on the shaft shown from left. The length is 2m.	[ "1.5m", "0.5m", "0.7m", "1.8m" ]	A
1000-engineering-mechanics-questions-answers	Reduction-of-a-Simple-Distributed-Loading	Determine the location of the resultant force acting on the shaft shown from left.	[ "4.5m", "4m", "3.5m", "2m" ]	B

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

Which of the following statement is true?

[ "A scalar is any physical quantity that can be completely specified by its magnitude", "A vector is any positive or negative physical quantity that can be completely specified by its magnitude", "A scalar is any physical quantity that requires both a magnitude and a direction for its complete description", "A scalar is any physical quantity that can be completely specified by its direction" ]

A

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

For two vectors defined by an arrow with a head and a tail. The length of each vector and the angle between them represents:

[ "Their magnitude’s square and direction of the line of action respectively", "Their magnitude and direction of the line of action respectively", "Magnitude’s square root and direction of the line of action respectively", "Magnitude’s square and the ratio of their lengths respectively" ]

B

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

If a vector is multiplied by a scalar:

[ "Then its magnitude is increased by the square root of that scalar’s magnitude", "Then its magnitude is increased by the square of that scalar’s magnitude", "Then its magnitude is increased by the amount of that scalar’s magnitude", "You cannot multiply the vector with a scalar" ]

C

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

All the vectors quantities obey:

[ "Parallelogram law of addition", "Parallelogram law of multiplication", "Parallelogram law of addition of square root of their magnitudes", "Parallelogram law of addition of square of their magnitudes" ]

A

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

A force vector with magnitude R and making an angle α with the x-axis is having its component along x-axis and y-axis as:

[ "Rcosine (α) and Rsine(α)", "Rcosine (180-α) and Rsine(α)", "Rcosine (180-α) and Rsine(180+α)", "Rcosine (α) and Rsine(180+α)" ]

A

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

Dividing the X-axis component and the Y-axis component of the of the vector making an angle with Y-axis α will give us.

[ "Cot α", "Tan α", "Sec α", "1" ]

B

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

The magnitude of the resultant of the two vectors is always_____________

[ "Greater than one of the vector’s magnitude", "Smaller than one of the vector’s magnitude", "Depends on the angle between them", "Axis we choose to calculate the magnitude" ]

C

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

If two equal vector forces are mutually perpendicular then the resultant force is acting at which angle as compared to one of the vector?

[ "45 degree", "90 degree", "180 degree", "0 degree" ]

A

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

What is the direction of the resultant vector if two vectors having equal length is placed in the Cartesian plane at the origin as, one being parallel to and heading towards positive x-axis and the other making 165 degree with it and heading in the opposite direction of that of the first one?

[ "It is either in the 1st quadrant or in the 2nd quadrant", "It is either in the 1st quadrant or in the 3rd quadrant", "It is either in the 1st quadrant or in the 4th quadrant", "Only in the 1st quadrant" ]

C

1000-engineering-mechanics-questions-answers

Addition-of-a-System-of-Coplanar-Forces

Force vector R is having a______________

[ "Length of R and a specific direction", "Length of R", "A specific direction", "Length of magnitude equal to square root of R and a specific direction" ]

A

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

In right handed coordinate system which axis is considered to be positive?

[ "The thumb is z-axis, fingers curled from x-axis to y-axis", "The thumb is x-axis, fingers curled from z-axis to y-axis", "The thumb is y-axis, fingers curled from x-axis to z-axis", "The thumb is z-axis, fingers curled from y-axis to x-axis" ]

A

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

If A is any vector with Ai + Bj + Ck then what is the y-axis component of the vector?

[ "B units", "A units", "C units", "Square root of a sum of squares of the three, i.e. A, B and C" ]

A

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

If the force vector F is having its x-axis component being equal to Z N, y-axis component be X N and z-axis component be Y N then vector F is best represented by?

[ "Xi + Yj + Zk", "Yi + Xj + Zk", "Zi + Yj + Xk", "Zi + Xj + Yk" ]

D

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

Which statement is right for force vector F = Ai + Bj + Ck?

[ "In rectangular components representation of any vector we have vector F = Ai + Bj + Ck", "In rectangular components representation of any vector we have vector F = Ax + By + Cz", "In rectangular components representation of any vector we have vector F = Fx + Fy + Fz", "In rectangular components representation of any vector we have vector F = Fi + Fj + Fk" ]

C

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

What is the magnitude of the Cartesian vector having the x, y and z axis components to be A, B and C?

[ "Square root of the squares each A, B and C", "Square of the squares each A, B and C", "Cube root of the squares each A, B and C", "Cube of the squares each A, B and C" ]

A

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

What is cosα for force vector F = Ax + By +Cz (Given α, β and γ are the angles made by the vector with x, y and z axis respectively)?

[ "B/F", "C/F", "A/F", "1" ]

C

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

What is the sum of squares of the cosine angles made by the force vector with the coordinate axis?

[ "1", "½", "2", "3" ]

A

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

What is the x-axis component of the force vector Ai + Bj +Ck with magnitude equal to F?

[ "B", "C", "Fcosα", "Fcosβ" ]

C

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

For a vector F, Fcosβ is equal to zero. What does this refer?

[ "X-axis component is zero", "Y-axis component is zero", "Z-axis component is zero", "β = 180˚" ]

B

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

Which statement is correct about the vector F?

[ "F= Fcos β + Fcos α + Fcosγ", "F= Fsin β + Fcos α + Fcosγ", "F= Fcos β + Fsin α + Fcosγ", "F= Fcos β + Fcos α + Fsinγ" ]

A

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

Which is true?

[ "∑F = ∑Fx + ∑Fy + ∑Fz", "∑F = -(∑Fx + ∑Fy + ∑Fz)", "∑F = ∑Fxi + ∑Fyj + ∑Fzk", "∑F = -(∑Fxi+ ∑Fyj + ∑Fzk)" ]

C

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

Find the angle α, for the vector making an angle by y and z axis as 60˚ and 45˚ respectively. It makes an angle of α with x-axis. The magnitude of the force is 200N.

[ "60˚", "120˚", "45˚", "90˚" ]

A

1000-engineering-mechanics-questions-answers

Cartesian-Vectors-in-Engineering-Mechanics-–-1

What is the magnitude of the resultant force when F1 = 60j + 80k and F2 = 50i – 100j + 100k?

[ "188 unit", "191 unit", "181 unit", "120 unit" ]

B

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

For two vectors A and B, what is A.B (if they have angle α between them)?

[ "|A||B| cosα", "|A||B|", "√(|A||B|) cosα", "|A||B| sinα" ]

A

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

Which statement is right?

[ "Communitive law: A.B =B.A", "Multiplicative law: a(A.B) = Ax(aB)", "Multiplicative law: A.(B+D) = (A.B) + (A.D)", "Communitive law: a(A.B) = A.(aB)" ]

A

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

What is Distributive law?

[ "A.B =B.A", "a(A.B) = A.(aB)", "A.(B+D) = (A.B) + (A.D)", "a(A.B) = AxB" ]

C

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

What is multiplication law?

[ "A.B =B.A", "a(A.B) = A.(aB)", "A.(B+D) = (A.B) + (A.D)", "a(A.B) = AxB" ]

B

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

Which is true for two vector A = A1i + A2j + A3k and B = B1i + B2j + B3k?

[ "A.B = A1B1 + A2B2 + A3B3", "AxB = A1B1 + A2B2 + A3B3", "A.B = A1B2 + A2B3 + A3B1", "AxB = A1B2 + A2B3 + A3B1" ]

A

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

Determine the magnitude of the force F = 300j parallel to the direction of AB?

[ "155N", "257.1N", "200N", "175N" ]

B

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

What is k.i?

[ "0", "1", "-1", "∞" ]

A

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

What is {(i.i) + (-i.j) + (-k.k) + (k.i)}.(Ai +Bj + Cz)?

[ "1", "0", "A + B + C", "-1" ]

B

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

α = cos-1(A.B/AB). What is the range of α?

[ "0˚<α<90˚", "0˚<α<180˚", "90˚<α<180C", "0˚<α<45˚" ]

B

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

What is the value of {(AxB).(C.D)x(AxB).(C.D)}? For the four vectors A, B, C and D, with A, B, C and D all lying in the same plane?

[ "i + j + k", "√3(i + j + k)", "0", "-1(i + j + k)" ]

C

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

What is (AxB).(BxA); or A = A1i + A2j + A3k and B = B1i + B2j + B3k?

[ "0", "A1B1A2B2i + A2B2A3B3j + A3B3A1B1k", "A1B1A1B2i + A2B2A3B2j + A3B3A1B3k", "A1B1A2B1i + A2B2A2B3j + A3B3A2B1k" ]

A

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

What is the value of θ in the figure given below?

[ "69˚", "60˚", "55˚", "90˚" ]

A

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

Refer to the diagram given below, determine the magnitude of the force F = 300j perpendicular to the direction of AB.

[ "155N", "257.1N", "200N", "175N" ]

A

1000-engineering-mechanics-questions-answers

Dot-Product-and-Cross-Product-in-Engineering-Mechanics-–-1

Determine the magnitude of the projection of the vector force F = 100N, onto the v axis, from the figure given below.

[ "96.6N", "60N", "100N", "70.7N" ]

A

1000-engineering-mechanics-questions-answers

Three-Dimensional-Force-System

What is not the condition for the equilibrium in three dimensional system of axis?

[ "∑Fx=0", "∑Fy=0", "∑Fz=0", "∑F≠0" ]

D

1000-engineering-mechanics-questions-answers

Three-Dimensional-Force-System

Determine the value of the q, parallel to the z-axis. That is the point of intersection of the projections of the points A, B and C parallel to the xy plane. With the distance between the tri-section point and the points A, B and C be equal to 0.6m.

[ "51.9cm", "51.9mm", "51.9m", "5.19mm" ]

A

1000-engineering-mechanics-questions-answers

Three-Dimensional-Force-System

When the body is in equilibrium then which of the following is true?

[ "We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude", "We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude square", "We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude square root", "We equate all the components of the forces acting on the body equal to zero" ]

D

1000-engineering-mechanics-questions-answers

Three-Dimensional-Force-System

If the resolved force or the force which you get as the answer after solving the question is negative, then what does this implies?

[ "The force is in the reverse direction w.r.t the direction set in the free body diagram", "The force is not in the reverse direction w.r.t the direction set in the free body diagram", "The force component is not possible", "The force is possible, but in the direction perpendicular to the resultant force" ]

A

1000-engineering-mechanics-questions-answers

Three-Dimensional-Force-System

An electromagnet crane is carrying the electromagnet with the help of the three cables. But the electromagnet is not stable because of the wind. What is science behind the cause?

[ "The wind is making the net force of the body equal to a non-zero value", "The wind is making the net force of the body equal to zero value", "The wind is making the net force of the body equal to a non-zero value but is supporting the equilibrium", "The wind is making the net force of the body equal to zero value and supporting equilibrium" ]

A

1000-engineering-mechanics-questions-answers

Three-Dimensional-Force-System

If anybody is tied to three or more ropes, and then is allowed to achieve its equilibrium. Then the equilibrium achieved is achieved w.r.t what?

[ "The three axis of the body", "The ground", "The ropes direction", "The weight direction" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

Determine the smallest force applied at R which creates the same moment about P as by 75N.

[ "37.5N", "112.5N", "60N", "0N" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

What does the moment of the force measure?

[ "The tendency of rotation of the body along any axis", "The moment of inertia of the body about any axis", "The couple moment produced by the single force acting on the body", "The total work is done on the body by the force" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

If a car is moving forward, what is the direction of the moment of the moment caused by the rotation of the tires?

[ "It is heading inwards, i.e. the direction is towards inside of the car", "It is heading outwards, i.e. the direction is towards outside of the car", "It is heading forward, i.e. the direction is towards the forward direction of the motion of the car", "It is heading backward, i.e. the direction is towards the back side of the motion of the car" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

The tendency of rotation of the body along any axis is also called ___________

[ "Moment of inertia", "Moment of couple", "Torque", "Force" ]

C

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

Find the moment along T.

[ "1200Nm", "600Nm", "0Nm", "1400Nm" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

If you are getting to know about the direction of the moment caused by the force applied on the body by using your wrist and curling it in the direction of the rotation then which of the following is not right?

[ "The thumb represents the direction of the force", "The thumb represents the direction of the moment", "The fingers represent the direction of the force", "The direction in which you curl your wrist is towards the direction of the distance from point of contact of force to the axis of rotation." ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

The moment axis, force and the perpendicular distance in the moment of the force calculation is lying in____________

[ "Two planes perpendicular to each other", "A single plane in the direction of the force", "A single plane in the direction of the perpendicular distance", "A single line in the direction of the force" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

If the rotation is clockwise in this page, suppose, then in which direction will the thumb project if you curl your hand in the same direction of the rotation?

[ "It will point to the direction perpendicular to the plane of the paper and towards you", "It will point to the direction perpendicular to the plane of the paper and away from you", "It will point to the direction parallel to the plane of the paper and towards right", "It will point to the direction parallel to the plane of the paper and towards left" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

Which of the following is true?

[ "Total moment of various forces acting on the body is the vector sum of all moments", "Total moment of various forces acting on the body is the algebraic sum of all moments", "Total moment of various forces acting on the body is always zero", "Total moment of various forces acting on the body is the vector sum of all moments which is perpendicular to each other forces" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

Find the moment along Q.

[ "1200Nm", "600Nm", "0Nm", "1400Nm" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-–-1

Determine the moment of the force along point P.

[ "110Nm", "112.5Nm", "60Nm", "0Nm" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

Determine the moment’s magnitude produced by the force as shown in the diagram, which tends to rotate the rod ORQP along QP.

[ "80.49 Nm", "72.12 Nm", "-36.67 Nm", "36.67 Nm" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

In the calculation of the moment of the force about the axis, the cross product table, i.e. the 3X3 matrix which is made for doing the cross product having 3 rows, contains three elements. Which are they from top to bottom?

[ "Axis coordinates, point coordinates, and the force coordinates", "Point coordinates, axis coordinates, and the force coordinates", "Axis coordinates, force coordinates, and the point coordinates", "Force coordinates, point coordinates, and the axis coordinates" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

Which of the following is correct? (For A representing the vector representation of the axis of rotation, r the radius vector and F the force vector)

[ "A.(rxF)", "Ax(rxF)", "A.(r.F)", "Fx(r.F)" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

In the equation A.(rxF), the r vector is what?

[ "The magnitude of the axis, i.e. the length of the axis", "The length of the force vector", "The length of the radius", "The radius vector" ]

D

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

Which of the following is correct?

[ "We cannot represent the moment caused by the force along any axis in vector form", "We can represent the moment caused by the force along any axis in the scalar form", "We cannot represent the moment caused by the force along any point in vector form", "We can represent the moment caused by the force along any axis in vector form" ]

D

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

What if the perpendicular distance from the axis is infinity?

[ "The rotation is not possible", "The rotation is possible but the moment generated is very less", "The force applied will be very much high for even a small rotation", "No rotation unless the contact is being broken" ]

C

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

In the equation A.(rxF) the r is heading from ______________ and ending at _____________

[ "Axis of rotation, Force vector", "Axis of rotation, Force vector’s point of action on the body", "Force vector, Axis of rotation", "Force vector’s point of action on the body, Axis of rotation" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

What if the moment of the force calculated about the axis is negative?

[ "It means that the force is applied in the opposite direction as imagined", "It means that the direction of the motion is in the opposite sense as imagined", "It means that the radius vector is in the opposite sense as imagined", "Such calculation means that the calculations are wrongly done" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

Determine the moment MQP in the vector form produced by the force as shown in the diagram, which tends to rotate the rod ORQP along QP.

[ "72i + 36j Nm", "72i – 36j Nm", "-72i – 36j Nm", "-72i + 36j Nm" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

Determine the moment of the force F along the segment QP of the pipe assembly shown in the figure.

[ "110Nm", "100Nm", "500Nm", "510Nm" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

Determine the magnitude of the moment of the force about the axis PQ.

[ "-72Nm", "82Nm", "90Nm", "50Nm" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

Determine the magnitude of the moment of the force about the y-axis.

[ "-72Nm", "82Nm", "210Nm", "50Nm" ]

C

1000-engineering-mechanics-questions-answers

Moment-of-a-Force-on-a-Specified-Axis

The ___________ forces do not cause the rotation if the rotation is considered in about the axis of the body or the centroid axis of the body.

[ "Non-concurrent", "Concurrent", "Parallel", "Non-Parallel" ]

B

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

The distance between the forces acting in the couple is ____________

[ "Infinity", "Zero", "A finite distance", "A circular loop" ]

C

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

The resultant force acting in the couple is _________

[ "Zero", "Infinite", "Twice the magnitude of the single force", "Half the magnitude of the single force" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

Which of the following is correct for the moment of couple M caused by two forces of same magnitude F and are separated by a distance of r?

[ "M = rxF", "M = r.F", "M = -(rxF)", "M = -(r.F)" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

A couple moment is a _______ vector.

[ "Gradient", "Scalar", "Del", "Free" ]

D

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

Determine the couple moment acting on the beam shown.

[ "20KNm", "21KNm", "22KNm", "19KNm" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

Which of the following is correct?

[ "The couple moment depends on the axis of rotation", "The couple moment depends directly on the radius vector of forces", "The couple moment depends only on the distance vector between the forces", "The couple moment’s direction is given by the left hand rule" ]

C

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

If the forces acting on the couple are in the same direction, that is they are not in the opposite direction as always they are, then?

[ "The direction of the forces doesn’t determine the moment", "The couple moment will be maximum", "The couple is not possible", "No change occurs" ]

C

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

Determine the couple moment acting on the pipe shown.

[ "-130Nm", "130Nm", "-120Nm", "120Nm" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

The resultant couple moment is ____________ sum of various couples acting on the body.

[ "Vector", "Scalar", "Scalar Triple", "Dot" ]

A

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

Determine the couple moment acting on the triangular plane shown.

[ "1600Nm", "100Nm", "2600Nm", "600Nm" ]

C

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

If two forces magnitude F each are acting in the Cartesian coordinate and are acting at the points A(3,3) and B(-3,3). They are heading towards negative z direction and positive z direction respectively. The distance between them is given as r. The radius vectors of the force at A and B are Ra and Rb respectively. Then the moment is given as:

[ "(Ra-Rb).F", "(Rb-Ra).F", "(Ra-Rb)xF", "(Rb-Ra)xF" ]

D

1000-engineering-mechanics-questions-answers

Moment-of-a-Couple-in-Engineering-Mechanics

Determine the couple moment acting on the pipe shown.

[ "108j + 144k Nm", "-108j + 144k Nm", "108j – 144k Nm", "-108j – 144k Nm" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

The principle of transmissibility is

[ "It states that the force acting on the body is a sliding vector", "It states that the force acting on the body is a rolling vector", "It states that the force acting on the body is a wedging vector", "It states that the force acting on the body is a unit vector" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

What will be the total resultant force acting vertically in the figure given below consisting of a beam with various sections?

[ "350N", "50N", "250N", "300N" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

The simplification of the couple is done on the basis of the ______________

[ "The clockwise of the anti-clockwise rotation sign convention", "The simplification is not possible", "The couple is a vector and thus can’t be simplified", "The couple is a scalar and can’t be simplified" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

The simplification of the forces on the axis is done as______________

[ "A particular system of rule is followed", "No simplification of the forces is possible", "The forces are already simplified and don’t need simplification", "The forces are very tentative quantity on terms of simplification and hence no simplification possible" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

Find the total resultant force acting horizontally in the given figure consisting of a beam of ‘L’ shape?

[ "60N", "605N", "0N", "6N" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

The couple is a scalar quantity and the force is vector quantity and hence only force can be simplified as __________

[ "The first part of the statement is false and another part is true", "The first part of the statement is false and another part is false too", "The first part of the statement is true and another part is false", "The first part of the statement is true and another part is true too" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

The force and the couple can’t be simplified together as one is the cause and the other is the effect.

[ "The statement is correct and the reason given is also correct", "The statement is wrong but the reason given is also correct", "The statement is wrong and the reason given is also wrong", "The statement is correct but the reason given is also wrong" ]

C

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

The main moto of the simplification is to ______________

[ "To reduce the calculation", "To add the forces with the couples and take out the total", "To subtract the forces with the couples and take out the total", "To multiply the forces with the couples and take out the total" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

Find the total resultant force acting vertically in the given figure below consisting of a beam of ‘L’ shape.

[ "180N", "18N", "10N", "100N" ]

A

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

The couple is simplified easily with the help of right hand rule. But the forces simplification is not possible as there is no such system of rules so that the forces can be simplified.

[ "The first part of the statement is false and another part is true", "The first part of the statement is false and another part is false too", "The first part of the statement is true and another part is false", "The first part of the statement is true and another part is true too" ]

C

1000-engineering-mechanics-questions-answers

Simplification-of-a-Force-and-Couple-System-–-1

Find the total resultant moment acting vertically in the given figure below consisting of a beam of ‘L’ shape.

[ "640Nm", "60Nm", "40Nm", "400Nm" ]

A

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

There are two types of loading. The uniformly distributed and the non-uniformly distributed that is the one having two different values at corners.

[ "The first part of the statement is false and other part is true", "The first part of the statement is false and other part is false too", "The first part of the statement is true and other part is false", "The first part of the statement is true and other part is true too" ]

D

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

In the simplification of the loading system, the net force acts at the ___________ of the loading body.

[ "Centroid", "The centre axis", "The corner", "The base" ]

A

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

In triangle distributed loading, the loading at any distance can be easily found by using which of the following trigonometry function?

[ "Tangent", "Sine", "Cosine", "Sine inverse" ]

A

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

Determine the magnitude of the resultant force acting on the shaft shown. The length is 2m.

[ "160N", "16N", "169N", "111N" ]

A

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

If the non-Uniform loading is of the type of parabola then?

[ "The net load will not be formed as all the forces will be cancelled", "The net force will act the centre of the parabola", "The net force will act on the base of the loading horizontally", "The net force will act at the centroid of the parabola" ]

D

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

If any external force also is applied on the distributed loading then?

[ "The net force will act at the centroid of the structure only", "The net load will not be formed as all the forces will be cancelled", "The net force will act on the base of the loading horizontally", "The net force will not to be considered, there would be a net force of the distribution, rest will be the external forces" ]

D

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

The resultant force acting, of the uniformly distributed loading, is dependent on:

[ "Area", "Vertical distance", "Length of the supports", "The distance of the supports between them" ]

A

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

The difference between the two types of loading namely uniformly distributed and the non-uniformly distributed loading is that:

[ "The latter has the involvement of the integration for the calculation of the net force", "The former has the involvement of the integration for the calculation of the net force", "The latter has the involvement of the differentiation for the calculation of the net force", "The former has the involvement of the differentiation for the calculation of the net force" ]

A

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

Determine the location of the resultant force acting on the shaft shown from left. The length is 2m.

[ "1.5m", "0.5m", "0.7m", "1.8m" ]

A

1000-engineering-mechanics-questions-answers

Reduction-of-a-Simple-Distributed-Loading

Determine the location of the resultant force acting on the shaft shown from left.

[ "4.5m", "4m", "3.5m", "2m" ]

B