Exercise: Compressors Gas Dynamics And Gas Turbines

Questions for: Compressors Gas Dynamics And Gas Turbines

An open cycle gas turbine works on the same cycle as that of a closed cycle gas turbine.
A:
Yes
B:
No
C:
D:
Answer: A
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In a jet propulsion
A:
the propulsive matter is ejected from within the propelled body
B:
the propulsive matter is caused to flow around the propelled body
C:
its functioning does not depend upon presence of air
D:
none of the above
Answer: B
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The total heat rejected in a reciprocating air compressor is equal to the sum of the heat rejected during polytropic compression per kg of air and heat rejected in the intercooler per kg of air.
A:
True
B:
False
C:
D:
Answer: A
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The stagnation pressure rise in a centrifugal compressor takes place
A:
in the diffuser only
B:
in the impeller only
C:
in the diffuser and impeller
D:
in the inlet guide vanes only
Answer: C
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The rotary compressors are suitable for large discharge of air at low pressure.
A:
True
B:
False
C:
D:
Answer: A
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