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Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines
Turbofan engine employs

One air stream
Two or more air streams
No air stream
Solid fuel firing

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Compressors, Gas Turbines and Jet Engines
The hottest point in a gas turbine is

between ~ to i of the blade height
at the tip
in the center
at the base

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Compressors, Gas Turbines and Jet Engines
Standard air is the air at ___ and relative humidity of 36 percent.

0.1 bar and 20°C
0.1 bar and 40°C
1 bar and 40°C
1 bar and 20°C

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Compressors, Gas Turbines and Jet Engines
Reheating in gas turbine results in

Increase of work ratio
Decrease of work ratio
Decrease of thermal efficiency
Both (A) and (B) above

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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

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

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Compressors, Gas Turbines and Jet Engines
In the aircraft propellers

Its functioning does not depend on presence of air
The propulsive matter is caused to flow around the propelled body
All of these
Propulsive matter is ejected from within the propelled body

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