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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
In air breathing jet engine, the jet is formed by expanding

Plasma
Highly heated atmospheric air
Solids
Liquid

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Compressors, Gas Turbines and Jet Engines
A compressor at high altitudes will require ___ power.

Same
More
None of the listed here
Less

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Compressors, Gas Turbines and Jet Engines
For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure)

(p₁ - p₂)/2
p₁/p₂
(p₁ + p₂)/2
p₁ p₂

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Compressors, Gas Turbines and Jet Engines
The maximum temperature in a gas turbine is

1000°C
200°C
500°C
700°C

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Compressors, Gas Turbines and Jet Engines
In the aircraft propellers

The propulsive matter is caused to flow around the propelled body
All of these
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
Mining industry usually employs following motive power

Petrol engine
Compressed air
Diesel engine
C. electric motor

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