same as
less than
more than
✅ The correct answer is option A.
Mechanical Engineering MCQs
In a receiver type compound engine, the high pressure and low pressure cylinders
have common piston rod
are set at 90°
have separate piston rods
are set in V – arrange
✅ The correct answer is option C.
The surface tension of mercury at normal temperature is __________ that of water.
same as
lower than
higher than
✅ The correct answer is option C.
A sliding pair has a completely constrained motion.
Yes
No
✅ The correct answer is option A.
Oil separator in a refrigeration cycle is installed
before compressor
between compressor and condenser
between condenser and evaporator
between condenser and
✅ The correct answer is option B.
The ratio of the isothermal power to the shaft power or brake power of the motor or engine required to drive the compressor is called overall isothermal efficiency.
TRUE
FALSE
✅ The correct answer is option A.
When the particles of a body moves perpendicular to its axis, then the body is said to have
longitudinal vibration
transverse vibration
torsional vibration
none of these
✅ The correct answer is option B.
The temperature of air at the beginning of the compression stroke is __________ the atmospheric temperature.
equal to
less than
more than
✅ The correct answer is option C.
Longitudinal vibrations are said to occur when the particles of a body moves
perpendicular to its axis
parallel to its axis
in a circle about its axis
none of these
✅ The correct answer is option B.
A thick pressure vessel is always used for the generation of steam, as it can withstand high pressures.
TRUE
FALSE
✅ The correct answer is option B.