COMPRESSORS, GAS TURBINES AND JET ENGINES QUIZ

To supply base load requirements

To supply peak load requirements

In emergency

To enable start thermal power plant

Increased volume flow rate

Lower delivery pressure

Lower suction pressure

Reduced volume flow rate

Exit nozzle, which is a constant volume process

Turbine blades, which is essentially an isentropic process

Turbine blades, which is a constant volume process

Exit nozzle, which is essentially an isentropic process

In the impeller only

In the diffuser only

In the diffuser and impeller

In the inlet guide vanes only

At very slow speed

At average speed

At zero speed

At very high speed

Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet

Output and input

Compressor work and turbine work

Actual compressor work and theoretical compressor work

Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions

Volume of air sucked by the compressor during its suction stroke

None of these

Volume of air delivered by the compressor

Increase in net output but decrease in thermal efficiency

Increase in thermal efficiency but decrease in net output

Decrease in both thermal efficiency and net output

Increase in both thermal efficiency and net output

Degree of reaction

Pressure ratio

Pressure coefficient

Slip factor

All of the listed here

Has more efficiency

Can be driven at a very high speed

Produces uniform torque