Mechanical Engineering - Compressors, Gas Dynamics and Gas Turbines - Discussion

Discussion Forum : Compressors, Gas Dynamics and Gas Turbines - Section 1 (Q.No. 30)
30.
In a centrifugal compressor, an increase in speed at a given pressure ratio causes
increase in flow
decrease in flow
increase in efficiency
increase in flow and decrease in efficiency
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Md arif said:   10 years ago
When speed is increased so vacuum is not created during suction due to increase in temperature hence proper quantity of air is not entered in chamber. So volumetric efficiency will be decrease.

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