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

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

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

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

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 fuel consumption in gas turbines is accounted for by___________________?

A. Low.er heating value
B. Higher heating value
C. Heating value
D. Higher calorific value

Mechanical efficiency of gas turbines as compared to I.C engines is____________________?

A. Higher
B. Lower
C. Same
D. Depends on on odier considerations

The air-fuel ratio in gas turbines is of the order of ______________________?

A. 7 : 1
B. 15 : 1
C. 30 : 1
D. 40 : 1

Gas turbine blades are given a rake___________________?

A. Equal to zero
B. In the direction of motion of blades
C. Opposite to the direction of motion of blades
D. Depending on the velocity