Exercise: Compressors Gas Dynamics And Gas Turbines

Questions for: Compressors Gas Dynamics And Gas Turbines

The maximum temperature in a gas turbine is
A:
200°C
B:
500°C
C:
700°C
D:
1000°C
Answer: C
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The volumetric efficiency for reciprocating air compressors is about
A:
10 to 40%
B:
40 to 60%
C:
60 to 70%
D:
70 to 90%
Answer: D
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A rocket works with maximum overall efficiency when air-craft velocity is __________ the jet velocity.
A:
equal to
B:
one-half
C:
double
D:
Answer: B
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The compressed air may be used
A:
in gas turbine plants
B:
for operating pneumatic drills
C:
in starting and supercharging of I.C. engines
D:
all of the above
Answer: D
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In a four stage compressor, if the pressure at the first and third stage are 1 bar and 16 bar, then the delivery pressure at the fourth stage will be
A:
1 bar
B:
16 bar
C:
64 bar
D:
256 bar
Answer: C
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