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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on

Stagnation pressure at the outlet
Mass flow rate
Change in load
Pressure ratio

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Compressors, Gas Turbines and Jet Engines
A closed gas turbine in which fuel is burnt directly in the air is not possible because of

Paucity of O2
High friction losses
High specific volume
Increasing gas temperature

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Compressors, Gas Turbines and Jet Engines
The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is

None of these
Same
Lower
Higher

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

Higher calorific value
Lower heating value
Heating value
Higher heating value

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Compressors, Gas Turbines and Jet Engines
To avoid moisture troubles, the branch connections from compressed air lines should be taken from

Right side of main
Bottom side of main
Left side of main
Top side of main

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Compressors, Gas Turbines and Jet Engines
A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine.

Lower
None of these
Same
Higher

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