The usual symptoms of cavitation in a centrifugal pump is （）.<br>A:noise and vibration<br>B:an increase in discharge pressure<br>C:an increase in suction pressure<br>D:lifting of the relief valve

The usual symptoms of cavitation in a centrifugal pump is （）.
A:noise and vibration
B:an increase in discharge pressure
C:an increase in suction pressure
D:lifting of the relief valve

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