The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is_______________?

A. Low
B. High
C. Same
D. Low/high depending on make and type

The work ratio of a gas turbine plant is defined as the ratio of__________________?

A. Net work output and heat supplied
B. Net work output and work done by turbine
C. Actual heat drop and isentropic heat drop
D. Net work output and isentropic heat drop
E. isentropic increase/drop in tempera¬ture and actual increase/ drop in temperature

Rotary compressors are suitable for ____________________?

A. Large discharge at high pressure
B. Low discharge at high pressure
C. Large discharge at low pressure
D. Low discharge at low pressure

Gas turbine works on______________?

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

Gas turbine works on_______________?

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

The pressure ratio of an ideal vaned compressor with increase in mass flow rate_________________?

A. Increases
B. Decreases
C. Remains constant
D. First decreases and then increases

Actual compression curve is___________________?

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

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

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

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