always in single shear
always in double shear
either in single shear or double shear
any one of these
✅ The correct answer is option B.
Mechanical Engineering MCQs
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by
✅ The correct answer is option D.
The average cutting speed for turning mild steel with a high speed steel tool is
15 to 19 m/min
25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
✅ The correct answer is option B.
If the gravitational acceleration at any place is doubled, then the weight of a body will be
g/2
g
2g
2g
✅ The correct answer is option D.
A diamond locating pin is used in jigs and fixtures because
diamond is very hard and wear resistant
it occupies very little space
it helps in assembly with tolerance on centre distance
it has a long life
✅ The correct answer is option C.
The total pressure on the bottom of a closed cylindrical vessel completely filled up with a liquid is the sum of the total centrifugal pressure and the weight of the liquid in the vessel.
Correct
Incorrect
✅ The correct answer is option A.
According to Euler’s column theory, the crippling load for a column of length (l) with one end fixed and the other end free is __________ the crippling load for a similar column hinged at both the ends.
equal to
less than
more than
✅ The correct answer is option B.
The function of a superheater is to heat the feed water by utilising the heat in the exhaust flue gases before leaving through the chimney.
Yes
No
✅ The correct answer is option B.
The part of the tool on which cutting edge is formed is called nose.
Correct
Incorrect
✅ The correct answer is option B.