Correct
Incorrect
✅ The correct answer is option A.
Mechanical Engineering MCQs
In a sharp-crested weir, the thickness of the weir is kept less than half of the height of water above the crest of the weir.
TRUE
FALSE
✅ The correct answer is option A.
Wood charcoal is produced by heating the wood at 100°C.
Yes
No
✅ The correct answer is option B.
The ball and socket joint is an example of screw pair.
Agree
Disagree
✅ The correct answer is option B.
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
which lies between the dry bulb and wet bulb temperatures of the incoming stream
which lies between the wet bulb and dew point temperatures of the incoming stream
which is lower than the dew point temperature of the incoming stream
of adiabatic saturatio
✅ The correct answer is option C.
The ratio of the ultimate stress to the design stress is known as
elastic limit
strain
factor of safety
bulk modulus
✅ The correct answer is option C.
The expression Q = ρ AT4 is called
Fourier equation
Stefan-Boltzmann equation
Newton-Rikhmann equation
Joseph-Stefan equation
✅ The correct answer is option B.
18-4-1 high speed steel contains
vanadium 4%, chromium 18% and tungsten 1%
vanadium 1%, chromium 4% and tungsten 18%
vanadium 18%, chromium 1% and tungsten 4%
none of the above
✅ The correct answer is option B.
Process layout is employed
where low volume of production is required
where similar jobs are manufactured on similar machines
where machines are arranged on functional basis
all of the above
✅ The correct answer is option D.
When a mechanism is required to transmit power or to do some particular type of work, then it becomes a machine.
Agree
Disagree
✅ The correct answer is option A.