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29-05-2021 Vapor Pressure

Q. Which of the following machines have the possibility of cavitation?

A. Reaction turbines and centrifugal pumps
B. Reaction turbines and reciprocating pumps
C. Impulse turbines and centrifugal pumps
D. Impulse turbines and reciprocating pumps

Commented on 2021-05-29
Answer: A

Explanation: Cavitation occurs whenever absolute pressure of a liquid drops below it is vapor pressure. Dropping of pressure is observed mainly in reaction turbines and centrifugal pumps.

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