humidity
temperature
vibration
contamination
✅ The correct answer is option B.
Mechanical Engineering MCQs
The operation of the reciprocating air motor is similar to reciprocating air compressor.
TRUE
FALSE
✅ The correct answer is option B.
The slowing down of fast neutrons is desirable because slow moving neutrons are more effective than fast neutrons in triggering fission.
Agree
Disagree
✅ The correct answer is option A.
Tin base white metals are used where the bearings are subjected to
large surface wear
elevated temperatures
light load and pressure
high pressure and load
✅ The correct answer is option A.
The section modulus of a rectangular section about an axis through its C.G., is
b/2
d/2
bd2/2
bd2/6
✅ The correct answer is option D.
The efficiency of a dual combustion cycle __________ upon cut-off ratio.
depends
does not depend
✅ The correct answer is option A.
In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
equal to
below
above
✅ The correct answer is option B.
A feasible solution to the linear programming problem should
satisfy the problem constraints
optimise the objective function
satisfy the problem constraints and non-negativity restrictions
satisfy the non-negati
✅ The correct answer is option C.
When the Mach number is equal to unity, the flow is called sonic flow.
TRUE
FALSE
✅ The correct answer is option A.