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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The effective power of gas turbines is increased by adding the following in compressor

Ammonia and water vapour
Carbon dioxide
Hydrogen
Nitrogen

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Compressors, Gas Turbines and Jet Engines
If the flow of air through the compressor is parallel to its axis, then the compressor is

Reciprocating compressor
Centrifugal compressor
Axial flow compressor
Turbo compressor

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Compressors, Gas Turbines and Jet Engines
The efficiency of a jet engine is higher at

Low altitudes
High altitudes
High speeds
Low speeds

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Compressors, Gas Turbines and Jet Engines
The following property is most important for material used for gas turbine blade

Fatigue
Creep
Corrosion resistance
Toughness

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Compressors, Gas Turbines and Jet Engines
Which of the following fuels can be used in turbojet engines?

Liquid hydrogen
Kerosene
Methyl alcohol
High speed diesel oil

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Compressors, Gas Turbines and Jet Engines
The ideal efficiency of simple gas turbine cycle depends on

Pressure ratio
Maximum cycle temperature
All of these
Minimum cycle temperature

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