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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The pressure ratio in gas turbines is of the order of

0.16736111111111
0.084027777777778
0.37569444444444
2.5423611111111

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Compressors, Gas Turbines and Jet Engines
Rotary compressors are used for delivering

Large quantities of air at low pressures
Small quantities of air at low pressures
Large quantities of air at high pressures
Small quantities of air at high pressures

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

None of the listed here
Same
More
Less

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Compressors, Gas Turbines and Jet Engines
The maximum delivery pressure in a rotary air compressor is

50 bar
30 bar
10 bar
20 bar

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Compressors, Gas Turbines and Jet Engines
For perfect intercooling in a two stage compressor

p₁ = p₂ p3
p₁/p₃ = p₂/p₁
p₂/p₁ = p₃/p₂
p₁ = p3

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Compressors, Gas Turbines and Jet Engines
More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than

2 kg/cm²
10 kg/cm²
14.7 kg/cm²
6 kg/cm²

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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