Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines

Exercise :: Compressors, Gas Dynamics and Gas Turbines - Section 3

6. 

Which of the following statement is correct?

A. The reciprocating compressors are best suited for high pressure and low volume capacity
B. The effect of clearance volume on power consumption is negligible for the same volume of discharge
C. both (a) and (b)
D. none of these

Answer: Option C

Explanation:

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7. 

Slip factor in a centrifugal compressor indicates the amount of air leaked from the storage vessel.

A. Yes
B. No

Answer: Option B

Explanation:

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8. 

The ratio of the isentropic work to the Euler's work is known as pressure coefficient.

A. Yes
B. No

Answer: Option A

Explanation:

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9. 

A turbo-prop is preferred to turbo-jet because

A. it has high propulsive efficiency at high speeds
B. it can fly at super sonic speeds
C. it can fly at high elevations
D. it has high power for take off

Answer: Option D

Explanation:

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10. 

The air power of the compressor is also known as

A. indicated power
B. brake power
C. frictional power
D. none of these

Answer: Option A

Explanation:

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