Question

In a centrifugal pump, cavitation is reduced by:

• A. Increasing the flow velocity
• B. Reducing discharge
• C. Throttling the discharge
• D. Reducing suction head

Answer 1

Answer:

D. Reducing suction head

Cavitation in a centrifugal pump can be reduced by decreasing the suction head. This is because cavitation occurs when the pressure at the suction side of the pump drops below the vapor pressure of the liquid.