COMPRESSORS, GAS TURBINES AND JET ENGINES QUIZ

Impeller channel losses

Diffuser losses

Inlet losses

All of the listed here

In two phases

In the form of air and water mixture

In three phases

In a single phase

One adiabatic, two isobaric, and one constant volume

Two adiabatic, one isobaric and one constant volume

Two adiabatic and two isobaric

One adiabatic, one isobaric and two constant volumes

Increased inclination of chord with air steam

Reducing mass flow rate with increase in pressure ratio

Fixed mass flow rate regardless of pressure ratio

No flow of air

Increase power output

Reduce turbine size

Increase speed

Increase temperature

More

May be less or more depending upon speed

Less

Same

None of the listed here

Less

More

Same

at the tip

at the base

in the center

between ~ to i of the blade height

Forward curved blades has higher efficiency

Forward curved blades produce lower pressure ratio

Backward curved blades lead to stable performance

Backward curved blades has poor efficiency

Axial flow type

Centrifugal type

Reciprocating type

Lobe type