Mechanical Engineering MCQs

A. Less
B. More
C. Same
D. May be less or more depending on ambient conditons

A. Reduction of speed of incoming air and conversion of part of it into pressure energy
B. Compression of inlet air
C. Increasing speed of incoming air
D. Lost work

A. Mass
B. Energy
C. Flow
D. Linear momentum

A. Liquid hydrogne
B. High speed diesel oil
C. Kerosene
D. Demethylated spirit

A. Carries its own oxygen
B. Uses surrounding air
C. Uses compressed atmospheric air
D. Does not require oxygen

A. Thrust power and fuel energy
B. Engine output and propulsive power
C. Propulsive power and fuel input
D. Thrust power and propulsive power

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

A. Jet velocity
B. Twice the jet velocity
C. Half the jet velocity
D. Average of the jet velocity

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

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