Compressors, Gas Turbines and Jet Engines

A. same
B. higher
C. lower
D. uncomparable
E. unpredictable

A. collect more air
B. convert kinetic energy of air into pres-sure energy
C. provide robust structure
D. beautify the shape
E. none of the above

A. same
B. more
C. less
D. zero
E. dependent on power and speed

A. 34%
B. 50%
C. 60%
D. 72%
E. 85%.

A. 550 km/hr
B. 1050km/hr
C. 1700 km/hr
D. 2400km /hr
E. 4000 km/hr

A. jet velocity
B. twice the jet velocity
C. half the jet velocity
D. average of the jet velocity
E. no such co-relationship with jet velocity exists

A. h.p. compressor L connected to h.p. turbine and l.p. compressor ot l.p. tur-bine
B. h.p. compressor is connected to l.p. turbine and l.p. compressor is con-nected to h.p. turbine
C. both the arrangements can be employed
D. all are connected in series
E. none of the above

A. thrust power and fuel energy
B. engine output and propulsive power
C. propulsive power and fuel input
D. thrust power and propulsive power
E. none of the above

A. carries its own oxygen
B. uses surrounding air
C. uses compressed atmospheric air
D. does not require oxygen
E. depends on electrical energy supplied by solar cells

A. liquid hydrogne
B. high speed diesel oil
C. kerosene
D. demethylated spirit
E. methyl alcohol