0.1 to 0.5%
0.5 to 1%
1 to 5%
5 to 10%
✅ The correct answer is option C.
Mechanical Engineering MCQs
When the particles of a body moves perpendicular to its axis, then the body is said to have
longitudinal vibration
transverse vibration
torsional vibration
none of these
✅ The correct answer is option B.
A sliding pair has a completely constrained motion.
Yes
No
✅ The correct answer is option A.
A mechanism __________ for transmitting or transforming motion.
can be used
can not be used
✅ The correct answer is option A.
The rise of liquid along the walls of a revolving cylinder about the initial level is __________ the depression of the liquid at the axis of rotation.
same as
less than
more than
✅ The correct answer is option A.
The inertia force is equal to the accelerating force in magnitude, but opposite in direction.
Right
Wrong
✅ The correct answer is option A.
The thermal efficiency of petrol and gas engines is about
15%
30%
50%
70%
✅ The correct answer is option B.
Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material)
p.d.σt
p.t.σt
(p – d)σt
(p – d)t.σt
✅ The correct answer is option D.
In a single stage impulse turbine, the velocity of steam approaching nozzles is negligible.
TRUE
FALSE
✅ The correct answer is option A.