Compressors, Gas Turbines and Jet Engines
Which is false statement about air receivers?

These knock out some oil and moisture
These increase compressor efficiency
These act as reservoir to take care of sudden demands
These are used to dampen pulsations

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
The compressor capacity is defined as the

Volume of air sucked by the compressor during its suction stroke
None of these
Volume of air delivered by the compressor
Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
Volumetric efficiency of a compressor with clearance volume

Decreases with increase in compression ratio
Increases with increase in compression ratio
In not dependent upon compression ratio
May increase/decrease depending on compressor capacity

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
The overall isothermal efficiency of compressor is defined as the ratio of

Isothermal h.p. to adiabatic h.p.
Power to drive compressor to isothermal h.p.
Work to compress air isothermally to work for actual compression
Isothermal h.p. to the BHP of motor

ANSWER DOWNLOAD EXAMIANS APP