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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
A compressor at high altitude will draw

More/less power depending on other factors
More power
Less power
Same power

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Compressors, Gas Turbines and Jet Engines
In a jet engine, the air-fuel ratio is

1.6673611111111
2.0840277777778
2.5006944444444
1.2506944444444

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Compressors, Gas Turbines and Jet Engines
The volume of air sucked by the compressor during its suction stroke is called

Free air delivery
Compressor capacity
None of these
Swept volume

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Compressors, Gas Turbines and Jet Engines
The volumetric efficiency of a compressor

Decreases with decrease in compression ratio
Increases with decrease in compression ratio
Increases with increase in compression ratio
Decreases with increase in compression ratio

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Compressors, Gas Turbines and Jet Engines
In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor.

Outlet velocity of flow
Inlet whirl velocity
Outlet whirl velocity
Inlet velocity of flow

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

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