Exercise: Compressors Gas Dynamics And Gas Turbines

Questions for: Compressors Gas Dynamics And Gas Turbines

In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into
A:
atmosphere
B:
vacuum
C:
discharge nozzle
D:
back to the compressor
Answer: C
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The workdone on a compressor will be minimum if air is taken from
A:
the atmosphere
B:
a source at 0° C
C:
a source of low temperature air
D:
a source of high temperature air
Answer: C
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A compressor mostly used for supercharging of I.C. engines is
A:
radial flow compressor
B:
axial flow compressor
C:
roots blower
D:
reciprocating compressor
Answer: A
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The velocity of air entering in a rocket is __________ as compared to an aircraft.
A:
zero
B:
less
C:
more
D:
same
Answer: A
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A regenerator in a gas turbine improves thermal efficiency.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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