Correct
Incorrect
✅ The correct answer is option A.
Mechanical Engineering MCQs
The linear velocity of a body rotating at ω rad / s along a circular path of radius r is given by
ω/r
ω.r
ω2/r
ω2.r
✅ The correct answer is option B.
In Emerson’s efficiency plan of wage incentive system, bonus is paid to a worker
whose output exceeds 67% efficiency
on the percentage of time saved
on the percentage of time worked
on the percentage of s
✅ The correct answer is option A.
The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to
inject fuel in a chamber of high pressure at the end of compression stroke
inject fuel at a high velocity to facilitate atomisation
ensure that penetration is not high
all of the above
✅ The correct answer is option D.
In a cantilever beam of length l subjected to a uniformly distributed load of w per unit length, the maximum deflection lies at the fixed end.
Yes
No
✅ The correct answer is option B.
If the flow of air through the compressor is parallel to its axis, then the compressor is
reciprocating compressor
centrifugal compressor
axial flow compressor
turbo-compressor
✅ The correct answer is option C.
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the
tip of the gear and flank of pinion
tip of the pinion and flank of gear
flanks of both gear and pinion
tip of both gear and p
✅ The correct answer is option A.
In a butt welded joint, the size of weld is __________ the throat of weld.
0.5 times
equal to
2 times
double
✅ The correct answer is option B.
The velocity factor for ordinary cut gears operating at velocities upto 12.5 m/s is equal to
✅ The correct answer is option B.
The hydraulic gradient line may be above or below the centre line of the pipe.
TRUE
FALSE
✅ The correct answer is option B.