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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A compressor mostly used for supercharging of I.C. engines is

Radial flow compressor
Reciprocating compressor
Roots blower
Axial flow compressor

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Compressors, Gas Turbines and Jet Engines
Propulsion efficiency of the following order is obtained in practice

0.5
0.72
0.34
0.6

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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

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

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine consists of a

Compressor
Heating chamber
Cooling chamber
All of these

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

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Compressors, Gas Turbines and Jet Engines
For slow speed large capacity compressor, following type of valve will be best suited

Any of the above
Disc or feather type
Mechanical valve of the Corliss, sleeve, rotary or semi rotary type
Poppet valve

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MORE MCQ ON Compressors, Gas Turbines and Jet Engines

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