NFPA D O Apparatus Practice Questions - NFPA 1002 Driver Operator - Apparatus (Pumper) Certification Exam

Cavitation in a centrifugal fire pump is best described as which of the following?

Excess water hammering the impeller blades The pump trying to deliver more water than it is receiving on the intake side Air leaking from the discharge fittings Excessive RPM with low engine temperature

Correct Answer:

The pump trying to deliver more water than it is receiving on the intake side

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