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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio

Decreases
Increases
First increases and then decreases
Remain same

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at

Atmospheric conditions at any specific location
15°C and 1 kg/cm²
0°C and standard atmospheric conditions
20°C and 1 kg/cm² and relative humidity 36%

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Compressors, Gas Turbines and Jet Engines
The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio

Increases
First decreases and then increases
First increases and then decreases
Decreases

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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
6 kg/cm²
10 kg/cm²
14.7 kg/cm²

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Compressors, Gas Turbines and Jet Engines
In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into

Vacuum
Atmosphere
Back to the compressor
Discharge nozzle

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Compressors, Gas Turbines and Jet Engines
The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage.

Three times
Double
Six times
Equal to

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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