✅ The correct answer is option B.
Mechanical Engineering MCQs
In two dimensional flow, the flow does not take place in a curve.
TRUE
FALSE
✅ The correct answer is option B.
Reheating of steam in a turbine
increases the workdone through the turbine
increases the efficiency of the turbine
reduces wear on the blades
all of these
✅ The correct answer is option D.
A coupling used to connect two perfectly aligned shafts, is
muff coupling
compression coupling
flange coupling
all of these
✅ The correct answer is option D.
When two pulleys are connected by means of an open belt drive, then both the pulleys will rotate is opposite directions.
Right
Wrong
✅ The correct answer is option B.
In gas turbines, the work input with intercooling is __________ the work input with no intercooling.
less man
more than
✅ The correct answer is option A.
The compressor capacity is defined as the
actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
volume of air delivered by the compressor
volume of air sucked by the compressor during its suction stroke
none of the above
✅ The correct answer is option B.
A file removes the metal during
forward stroke
return stroke
both forward and return strokes
none of these
✅ The correct answer is option A.
In a parallel flow heat exchanger, the rate of flow of heat and the rate of decrease of temperature are maximum.
Yes
No
✅ The correct answer is option A.
Benson boiler requires
no drum
one drum
two drums
three drums
✅ The correct answer is option A.