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Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 3
1.
A compressor at high altitudes will require __________ power.
same
less
more
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The mean effective pressure of the compressor is the
actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions
volume of air delivered by the compressor
volume of air sucked by the compressor during its suction stroke
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is
pressure drop across the valves
superheating in compressor
clearance volume and leakages
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
For minimum work in multi-stage compression, the workdone on all stages should be equal.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The thrust of a jet propulsion power unit can be increased by
injecting water into the compressor
burning fuel after gas turbine
injecting ammonia into the combustion chamber
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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