trapping
tapping
bleeding
cleaning
✅ The correct answer is option C.
Mechanical Engineering MCQs
In order to balance the reciprocating masses,
primary forces and couples must be balanced
secondary forces and couples must be balanced
both (a) and (b)
none of these
✅ The correct answer is option C.
The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called
compressor efficiency
volumetric efficiency
isothermal efficiency
mechanical efficiency
✅ The correct answer is option D.
A traction control system (TCS) in automobiles controls the
vibrations on the steering wheel
engine power during acceleration
torque that is transmitted by the tyres to the road surface
stopping distance in case of emergency
✅ The correct answer is option C.
In a reaction turbine, the draft tube is used
to run the turbine full
to prevent air to enter the turbine
to increase the head of water by an amount equal to the height of the runner outlet above the tail race
to transport water to downstream
✅ The correct answer is option C.
The ratio of workdone per cycle to the stroke volume of the compressor is known as
compressor capacity
compression ratio
compressor efficiency
mean effective pressure
✅ The correct answer is option D.
Which of the following is the lightest and most volatile liquid fuel?
Gasoline
Kerosene
Fuel oil
✅ The correct answer is option A.
Representative time is the average of times recorded by work study man for an operation.
Agree
Disagree
✅ The correct answer is option A.
The rotary compressors are suitable for large discharge of air at low pressure.
TRUE
FALSE
✅ The correct answer is option A.
A rotary compressor is driven by an
electric motor
engine
either (a) or (b)
none of these
✅ The correct answer is option C.