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Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 3
26.
The gas in cooling chamber of a closed cycle gas turbine is cooled at
constant volume
constant temperature
constant pressure
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A 3 m3/min compressor means that it
compresses 3 m3/min of standard air
compresses 3 m3/ min of free air
delivers 3 m3/ min of compressed air
delivers 3 m3/ min of compressed air at delivery pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The compression ratio for the compressor is always __________ unity.
equal to
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The assumption made in two stage compression with intercooler is that
there is no pressure drop in the intercooler
the compression in both the cylinders is polytropic
the suction and delivery of air takes place at constant pressure
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
With the decrease in compression ratio, the volumetric efficiency
does not change
increases
decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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