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.Management Sciences
Category: Strength of Materials
A single force and a couple acting in the same plane upon a rigid body________________?
A. balance each other
B. cannot balance each other
C. produce moment of a couple
D. are equivalent
E. none of the above
A framed structure is perfect if it contains members equal to________________?
A. 2n-3
B. n-l
C. ‘2n-l
D. n – 2
E. 3n-2
where n = number of joints in a frame
The forces, which meet at one point, but their lines of action do not lie in a plane, are called______________?
A. coplanar non-concurrent forces
B. non-coplanar concurrent forces
C. non-coplanar non-concurrent forces
D. intersecting forces
E. none of the above
A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of__________________?
A. r/2
B. r/A
C. r/%
D. 0.134 r
E. 3r/8
The unit of power in S.I. units is______________?
A. newton meter
B. watt
C. joule
D. kilogram meter/sec
E. pascal per sec
Which one of the following statements is not correct_________________?
A. the tangent of the angle of friction is equal to coefficient of friction
B. the angle of repose is equal to angle of friction
C. the tangent of the angle of repose is equal to coefficient of friction
D. the sine of the angle of repose is equal to coefficient to friction
E. none of the above
Frictional force encountered after commencement of motion is called________________?
A. post friction
B. limiting friction
C. kinematic friction
D. frictional resistance
E. dynamic friction
The C.G. of a right circular solid cone of height h lies at the following distance from the base_____________?
A. h/2
B. J/3
C. h/6
D. h/4
E. 3/i/5
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