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Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise : Compressors, Gas Dynamics and Gas Turbines - Section 1
1.
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
1 bar
16 bar
64 bar
256 bar
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The compressed air may be used
in gas turbine plants
for operating pneumatic drills
in starting and supercharging of I.C. engines
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A rocket works with maximum overall efficiency when air-craft velocity is __________ the jet velocity.
equal to
one-half
double
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The volumetric efficiency for reciprocating air compressors is about
10 to 40%
40 to 60%
60 to 70%
70 to 90%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The maximum temperature in a gas turbine is
200°C
500°C
700°C
1000°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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