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
A. turbo-jet engine
B. ram-jet engine
C. propellers
D. rockets
E. hydraulic jet propulsion
A. higher at ground
B. higher at high altitudes
C. same at all altitudes
D. higher at high speed
E. lower at low speed
A. gases
B. solids
C. liquid
D. plasma
E. highly heated atmospheric air
A. 2500°C
B. 2000°C
C. 1500°C
D. 1000°C
E. 700°C
A. high thermal efficiency
B. reduction in compressor work
C. decrease of heat loss in exhaust
D. maximum work output
E. none of the above
A. increases thermal efficiency
B. allows high compression ratio
C. decreases heat loss is exhaust
D. allows operation at very high altitudes
E. permits high moisture content fuel to be used
A. increase temperature
B. reduce turbine size
C. increase power output
D. increase speed
E. increase pressure ratio