only to the pinion
only to the gear
to stronger of the pinion or gear
to weaker of the pinio
✅ The correct answer is option D.
Mechanical Engineering MCQs
In a single stage, single acting reciprocating air compressor without clearance volume, the workdone is maximum during
isothermal compression
isentropic compression
polytropic compression
none of these
✅ The correct answer is option B.
Crack in grinding wheel is developed due to
high temperature developed at the contact of the wheel face and work
grinding hard work
low speed of wheel
high speed of wheel
✅ The correct answer is option D.
The power of a centrifugal pump working under constant head and discharge increases with the speed.
TRUE
FALSE
✅ The correct answer is option A.
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)
δQ = T.ds
δQ = T/ds
dQ = ds/T
none of these
✅ The correct answer is option A.
To grind brittle materials, a coarse grained grinding wheel is used.
Agree
Disagree
✅ The correct answer is option B.
The hard grade grinding wheels are denoted by the letters
A to H
I to P
Q to Z
A to P
✅ The correct answer is option C.
The most preferred process for casting gas turbine blades is
die casting
shell moulding
investment moulding
sand casting
✅ The correct answer is option B.
For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference ™ for parallel flow is __________ that for counter flow.
equal to
less than
greater than
✅ The correct answer is option A.
The hoop stress in a thick cylindrical shell is maximum at the inner radius.
TRUE
FALSE
✅ The correct answer is option A.