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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
An air compressor may be controlled by

Clearance control
Throttle control
Blow off control
Any one of the above

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Compressors, Gas Turbines and Jet Engines
In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as

Pressure coefficient
Degree of reaction
Work factor
Slip factor

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Compressors, Gas Turbines and Jet Engines
The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity)

(v₁² -v₂²)/2g
(v₁ - v₂)²/g
(v₁² -v₂²)/g
(v₁ - v₂)²/2g

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Compressors, Gas Turbines and Jet Engines
The thrust of a jet propulsion power unit can be increased by

Injecting ammonia into the combustion chamber
Injecting water into the compressor
All of these
Burning fuel after gas turbine

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Compressors, Gas Turbines and Jet Engines
The compressor efficiency is the

Compression work/motor input
Total output/air input
Isothermal H.P./shaft H.R
Isothermal H.P/indicated H.R

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

Brayton or Atkinson cycle
Carnot cycle
Rankine cycle
Ericsson cycle

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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