X-axis as neutral axis
Y-axis as neutral axis
X-axis or Y-axis as neutral axis
Z-axis
✅ The correct answer is option C.
Mechanical Engineering MCQs
In induction hardening __________ is high.
current
voltage
frequency
temperature
✅ The correct answer is option C.
The design of the pressure vessel is based on
longitudinal stress
hoop stress
longitudinal and hoop stress
none of these
✅ The correct answer is option B.
The function of oil-control rings is that it
lubricates the cylinder wall by releasing oil from its hole
keeps the cylinder wall lubricated by holding oil in its channel
prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
maintains a seal and p
✅ The correct answer is option C.
The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is
four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine
four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine
four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine
two stroke S.I. engine
✅ The correct answer is option A.
The factor responsible for the formation of continuous chips with built up edge is
low cutting speed and large rake angle
low cutting speed and small rake angle
high cutting speed and large rake angle
high cutting speed and
✅ The correct answer is option B.
In order to cut mild steel, the cutting angle of chisel should be
30°
45°
50°
60°
✅ The correct answer is option D.
The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is
brake pedal – master cylinder – brake lines – vacuum servo mechanism – brake pads
brake pedal – vacuum servo mechanism – master cylinder – brake lines – brake pads
brake pedal – master cylinder – vacuum servo mechanism – brake lines – brake pads
brake pedal – brake li
✅ The correct answer is option B.
A compound steam engine requires a heavier flywheel than simple steam engines.
TRUE
FALSE
✅ The correct answer is option B.
A diesel engine is __________ as compared to petrol engine, both running at rated load.
equally efficient
less efficient
more efficient
✅ The correct answer is option C.