- (A) to increase the output
- (B) to increase the efficiency
- (C) to save fuel
- (D) to reduce the exit temperature
- (E) none of the above
Mechanical Engineering Mcqs
- (A) varies as square root of the speed
- (B) Varies linearly to the speed
- (C) varies as square of the speed
- (D) varies as cube of the speed
- (E) is constant irrespective of variation in speed
- (A) 10: 1
- (B) 15: 1
- (C) 20 : 1
- (D) 60 : 1
- (E) 100 :
- (A) ammonia and water vapour
- (B) carbon dioxide
- (C) nitrogen
- (D) hydrogen
- (E) none of the above
- (A) increase first at fast rate and then slow
- (B) increase first at slow rate and then fast
- (C) decrease continuously
- (D) first increase, reach maximum and then decrease
- (E) none of the above
- (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
