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

Discussion Forum : Compressors, Gas Dynamics and Gas Turbines - Section 2 (Q.No. 47)
47.
The efficiency of roots blower __________ with the increase in pressure ratio.
decreases
increases
does not change
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Virat said:   5 years ago
More pressure required means more external work has to be done. So, efficiency decreases.
(1)

Shiva said:   5 years ago
Please Explain.

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