Compressors, Gas Turbines and Jet Engines

A. in two phases
B. in three phases
C. in a single phase
D. in the form of air and water mixture
E. gas and no air

A. 3.5 : 1
B. 5 : 1
C. 8 : 1
D. 12 : 1
E. 20 : 1

A. is self-operating at zero flight speed
B. is not self-operating at zero^flight speed
C. requires no air for its operation
D. produces a jet consisting of plasma
E. none of the above

A. a propeller system
B. gas-turbine engine equipped with a propulsive nozzle and diffuse*
C. chemical rocket regine
D. ram-jet enigne
E. none of the above

A. less
B. more
C. same
D. may be less or more depening upon speed
E. none of the above

A. compressor pressure ratio
B. highest pressure to exhaust pressure
C. inlet pressure to exhaust pressure
D. pressures across the turbine
E. none of the above

A. steam power plant
B. petrol engine
C. diesel engine’
D. solar plant
E. gas turbine plant

A. one air stream
B. two or more air streams
C. no air stream
D. solid fuel firing
E. rocket principle for its operation

A. using mulit-stage compressor with mfercooler
B. adding heat exchanger
C. injecting water in/around combustion chamber
D. reheating the air after partial expansion in the turbine
E. all of the above

A. speed
B. speed
C. altitude
D. Vspeed
E. does not Vary