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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The compressor performance at higher altitude compared to sea level will be

Lower
Same
Dependent on other factors
Higher

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Compressors, Gas Turbines and Jet Engines
The ratio of specific weight/h.p. of gas turbine and I.C engines may be typically of the order of

0.042361111111111
0.045833333333333
0.084027777777778
0.16736111111111

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation

1.0%
0.5%
5%
0.1%

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Compressors, Gas Turbines and Jet Engines
Gas turbine works on

Brayton or Atkinson cycle
Rankine cycle
Ericsson cycle
Carnot cycle

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Compressors, Gas Turbines and Jet Engines
In the aircraft propellers

All of these
The propulsive matter is caused to flow around the propelled body
Propulsive matter is ejected from within the propelled body
Its functioning does not depend on presence of air

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Compressors, Gas Turbines and Jet Engines
A gas turbine used in air craft should have

Low weight and small frontal area
Small frontal area and high h.p.
High speed and high h.p.
High h.p. and low weight

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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