[A]. equal to
[B]. equal and opposite to
[C]. less than
[D]. greater than
✅ The correct answer is option B.
Engineering Mechanics MCQs
The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as
[A]. static friction
[B]. dynamic friction
[C]. limiting friction
[D]. coefficient of friction
✅ The correct answer is option C.
The angle of inclination of a vehicle when moving along a circular path __________ upon its mass.
[A]. depends
[B]. does not depend
null
null
✅ The correct answer is option B.
The mechanical advantage of a lifting machine is the ratio of
[A]. distance moved by effort to the distance moved by load
[B]. load lifted to the effort applied
[C]. output to the input
[D]. all of the above
✅ The correct answer is option B.
The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is
[A]. sin θ
[B]. cos θ
[C]. tan θ
[D]. cosec θ
✅ The correct answer is option A.
A redundant frame is also called __________ frame.
[A]. perfect
[B]. imperfect
[C]. deficient
null
✅ The correct answer is option B.
A body will begin to move down an inclined plane if the angle of inclination of the plane is __________ the angle of friction.
[A]. equal to
[B]. less than
[C]. greater than
null
✅ The correct answer is option C.
two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are
[A]. 15 N and 5 N
[B]. 20 N and 5 N
[C]. 15 N and 15 N
[D]. none of these
✅ The correct answer is option A.
The centre of gravity of an equilateral triangle with each side a, is __________ from any of the three sides.
[A]. 3a/2
[B]. 23a
[C]. a/23
[D]. 32a
✅ The correct answer is option C.
If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is __________ the momentum of body having mass m2.
[A]. equal to
[B]. less than
[C]. greater than
null
✅ The correct answer is option C.