The efficiency of roots blower ________ with the increase in pressure ratio.

Questions › Category: Compressors Gas Turbines and Jet Engines › The efficiency of roots blower ________ with the increase in pressure ratio.
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The efficiency of roots blower ________ with the increase in pressure ratio.

(A) Decreases              (Ans)

(B) Increases

(C) Does not change

(D) None of these