Actual C.O.P. x Theoretical C.O.P.
none of these
✅ The correct answer is option B.
Mechanical Engineering MCQs
The starter motor is driven by
chain drive
gear drive
flat belt drive
V-belt drive
✅ The correct answer is option B.
The tyre rotation is generally done at
1000 km
4000 km
6000 km
10000 km
✅ The correct answer is option D.
The displacement of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r1 = Minimum radius of the cam, and θ = Angle turned through by the cam)
R(1 – cos θ)
(R – r1)(1 – cos θ)
R(1 – sin θ)
(R – r1)(1 – sin θ)
✅ The correct answer is option B.
The radius of gyration is the distance where the whole mass (or area) of a body is assumed to be concentrated.
Correct
Incorrect
✅ The correct answer is option A.
A steel containing upto 0.15% carbon is known as
mild steel
dead mild steel
medium carbon steel
high carbon steel
✅ The correct answer is option B.
The purpose of heat treatment is to
relieve the stresses set up in the material after hot or cold working
modify the structure of the material
change grain size
any one of these
✅ The correct answer is option D.
A shaft is designed on the basis of rigidity and stiffness.
Correct
Incorrect
✅ The correct answer is option A.
The bending moment of a cantilever beam of length l and carrying a uniformly distributed load of w per unit length is __________ at the free end.
zero
wl/4
wl/2
wl
✅ The correct answer is option A.
For turning small taper on long workpiece, the suitable method is
by a form tool
by setting over the tail stock
by a taper turning attachment
by swivelling the comp
✅ The correct answer is option B.