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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
The work-done on a compressor will be minimum if air is taken from

A source of low temperature air
A source of high temperature air
A source at 0° C
The atmosphere

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Compressors, Gas Turbines and Jet Engines
Euler's equation is applicable for

Pumps
Centrifugal compressor
Axial compressor
All of these

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Compressors, Gas Turbines and Jet Engines
Only rocket engines can be propelled to space because

They can generate very high thrust
These engines can work on several fuels
They have high propulsion efficiency
They are not air breathing engines

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Compressors, Gas Turbines and Jet Engines
The volume of air delivered in a medium capacity air compressor per unit time is

Above 5 m³/s
None of these
0.15 to 5 m³/s
0.1 to 1.2 m³/s

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Compressors, Gas Turbines and Jet Engines
Open cycle gas turbine works on

Carnot cycle
Rankine cycle
Ericsson cycle
Brayton or Atkinson cycle

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Compressors, Gas Turbines and Jet Engines
In jet propulsion power unit, the inlet duct of diverging shape is used in order to

Convert kinetic energy of air into pressure energy
Collect more air
Beautify the shape
Provide robust structure

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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