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Compressors, Gas Turbines and Jet Engines

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
Losses in a centrifugal compressor are due to

All of the listed here
Inlet losses
Impeller channel losses
Diffuser losses

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Compressors, Gas Turbines and Jet Engines
The fuel consumption in gas turbines is accounted for by

Lower heating value
Higher calorific value
Heating value
Higher heating value

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Compressors, Gas Turbines and Jet Engines
High air-fuel ratio in gas turbines

Improves thermal efficiency
Reduces exhaust temperature
Increases power output
Do not damage turbine blades

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Compressors, Gas Turbines and Jet Engines
A compressor at high altitudes will require ___ power.

More
Same
None of the listed here
Less

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Compressors, Gas Turbines and Jet Engines
For minimum work required to compress and deliver a quantity of air by multistage compression

All of the listed here
The work-done in each stage should be same
The compression ratio in each stage should be same
The intercooling should be perfect

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