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Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 4
1.
The volume of air sucked by the compressor during its suction stroke is called
free air delivery
compressor capacity
swept volume
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
For perfect intercooling in a two stage compressor,
p1 = p3
p1 = p2 p3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The efficiency of the vane blower is (where W1 = Workdone due to compression, and W2 = Workdone due to back flow)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The volumetric efficiency of a compressor
constant with decrease in compression ratio
decreases with decrease in compression ratio
increases with increase in compression ratio
decreases with increase in compression ratio
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Reheating in a multi-stage expansion gas turbine __________ compressor work.
has no effect on
decreases
increases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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