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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine works on

Joule cycle
Carnot cycle
Rankine cycle
Ericsson cycle

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Compressors, Gas Turbines and Jet Engines
The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

Mechanical efficiency
Compressor efficiency
Isothermal efficiency
Volumetric efficiency

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Compressors, Gas Turbines and Jet Engines
Gas turbine blades are given a rake

Depending on the velocity
In the direction of motion of blades
Equal to zero
Opposite to the direction of motion of blades

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Compressors, Gas Turbines and Jet Engines
The material commonly used for air craft gas turbine is

Timken, Haste alloys
Duralumin
High alloy steel
Stainless steel

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Compressors, Gas Turbines and Jet Engines
Pick up the wrong statement about advantages of multistage compression

More loss of air due to leakage past the cylinder
Mechanical balance is better
Air can be cooled perfectly in between
Better lubrication is possible advantages of multistage

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Compressors, Gas Turbines and Jet Engines
For speed above 3000 km/hour, it is more advantageous to use

Rockets
Ramjet engine
Turbojet engine
Propellers

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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