A. less
B. more
C. same
D. may be less or more depending on ambient conditons
E. unpredictable
Related Mcqs:
- In turbo fan engine, the jet velocity as compared to turbo-jet engine is_________________?
A. less
B. more
C. same
D. may be less or more depening upon speed
E. none of the above - Turbo propeller has the following additional feature over the turbojet __________________?
A. peopeller
B. diffuser
C. intercooler
D. turbine and combustion chamber
E. starting engine - Ram compression in turbojet involves____________________?
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
E. leakage losses - Which of the following fuels can be used in turbojet engines _____________________?
A. liquid hydrogne
B. high speed diesel oil
C. kerosene
D. demethylated spirit
E. methyl alcohol - The maximum propulsion efficiency of a turbojet is attained at around following speed __________________?
A. 550 km/hr
B. 1050km/hr
C. 1700 km/hr
D. 2400km /hr
E. 4000 km/hr - The weight per horse power ratio for gas. turbine as compared to I.C. engine and steam turbine is________________?
A. same
B. higher
C. lower
D. uncomparable
E. unpredictable - The jnaximum combustion pressure in gas turbine as compared to I.C. engine is_________________?
A. more
B. less
C. same
D. depends on other factors
E. unpredictable - Clearance volume in actual reciprocating compressors is essential __________________?
A. to accommedate Valves in the cylinder head
B. to provide cushioning effect
C. to attain high volumetric efficiency
D. to avoid mechanical bang of piston with cylinder head
E. to provide cushioning effect and also to avoid mechanical bang of piston with cylinder head - Reciprocating air compressor is best suited for___________________?
A. large quantity of air at high pressure
B. small quantity of air at high pressure
C. small quantity of air at low pressure
D. large quantity of air at low pressure
E. any one of the above - More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than____________________?
A. 2 kg/cm2
B. 6 kg/cm2
C. 10 kg/cm2
D. 14.7 kg/cm2
E. none of the above
