Compressors Gas dynamics and Gas Turbines MCQ with Answers

Compressors Gas dynamics and Gas Turbines MCQ with Answers

76) The compressor efficiency is defined as the ratio of volume of free air delivery per stroke to the swept volume of the piston.

Answer is:

Incorrect

77) In a gas turbine, air is obtained from the atmosphere and compressed in an air compressor.

Answer is:

Right

78) In open cycle turbo-jet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the

Answer is:

thrust and range of aircraft

79) Gas turbine as compared to internal combustion engine

Answer is:

all of these

Explanation:

Gas turbine as compared to internal combustion engine
* can be driven at a very high speed
* produces uniform torque
* has more efficiency

80) A closed cycle gas turbine consists of a

Answer is:

all of these

Explanation:

A closed cycle gas turbine consists of a
* compressor
* heating chamber
* cooling chamber

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