Axial flow compressor has the following advantage over centrifugal compressor__________________?

A. Larger air handling ability per unit frontal area
B. Higher pressure ratio per stage
C. Aerofoil blades are used
D. Higher average velocities

Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm . The air pressure will be_____________________ ?

A. 1.03 kg/cm2
B. 1.06 kg/cm2
C. 1.00 kg/cm2
D. 0.53 kg/cm2

Axial flow compressor resembles____________________ ?

A. Centrifugal pump
B. Reciprocating pump
C. Turbine
D. Sliding vane compressor

The vloumetric efficiency of compressor with increase in compression ratio will ___________________?

A. Increase
B. Decrease
C. Remain same
D. May increase/decrease depending on clearance volume

The work ratio of simple gas turbine cycle depends on_________________?

A. Pressure ratio
B. Maximum cycle temperature
C. Minimum cycle temperature
D. All of the above

Open cycle gas turbine works on___________________?

A. Brayton or atkinson cycle
B rAnkine cycle
C. Carnot cycle
D. Erricsson cycle

Gas turbines for power generaion are normally used___________________?

A. To supply base load requirements
B. To supply peak load requirements
C. To enable start thermal power plant
D. In emergency

Surging phenomenon in centrifugal com-pressor depends on ___________________?Pick up wrong statement ?

A. Mass flow rate
B. Pressure ratio
C. Change in load
D. Stagnation pressure at the outlet

The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called__________________?

A. Pressure ratio
B. Pressure coefficient
C. Degree of reaction
D. Slip factor

Actual compression curve is___________________?

A. Same as isothermal
B. Same as adiabatic
C. Better than isothermal and adiabatic
D. In between isothermal and adiabatic