Yes
No
✅ The correct answer is option A.
Mechanical Engineering MCQs
Dynamic similarity is said to exist between the model and the prototype, if both of them
have identical velocities
are equal in size and shape
are identical in shape, but differ only in size
none of the above
✅ The correct answer is option D.
Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.
twice
four times
eight times
sixteen times
✅ The correct answer is option C.
A Porter governor is a
pendulum type governor
dead weight governor
spring loaded governor
inertia governor
✅ The correct answer is option B.
When a body is placed over a liquid, it will sink down if
gravitational force is equal to the upthrust of the liquid
gravitational force is less than the upthrust of the liquid
gravitational force is more than the upthrust of the liquid
none of the above
✅ The correct answer is option C.
The tool life, in case of continuous cutting, is much better than intermittent cutting.
Agree
Disagree
✅ The correct answer is option A.
The ratio of molar specific heats for monoatomic gas is
1
1.4
1.67
1.87
✅ The correct answer is option C.
Incoloy, Hastelloy and Vitallium are __________ temperature alloys.
high
low
✅ The correct answer is option A.
The increase in intake temperature of internal combustion engines will __________ efficiency.
have no effect on
increase
decrease
✅ The correct answer is option C.
The material used for brake lining should have __________ coefficient of friction.
low
high
✅ The correct answer is option B.