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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Compression efficiency is compared against

Ideal compression
Isentropic compression
Isothermal compression
Adiabatic compression

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Compressors, Gas Turbines and Jet Engines
In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the

Both (A) and (B)
None of these
Thrust and range of aircraft
Efficiency of the engine

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Compressors, Gas Turbines and Jet Engines
In a double acting compressor, the air is compressed

In one cylinder
In two cylinders
In two cylinders on both sides of the piston
In a single cylinder on both sides of the piston

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Compressors, Gas Turbines and Jet Engines
The compressed air may be used

In gas turbine plants
In starting and supercharging of I.C. engines
All of the listed here
For operating pneumatic drills

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Compressors, Gas Turbines and Jet Engines
The efficiency of a jet engine is higher at

High speeds
Low altitudes
High altitudes
Low speeds

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Compressors, Gas Turbines and Jet Engines
When air is to be compressed at a high pressure, then it is advantageous to use

Multistage compression without intercooling
None of these
Single stage compression
Multistage compression with intercooling

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