A centrifugal bilge pump requires priming _____.A.primarily to lubricate the shaft sealsB.

A centrifugal bilge pump requires priming _____.

A.primarily to lubricate the shaft seals

B.due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller

C.to initially unload the pump by having its head pressure equal to discharge pressure

D.in order to overcome the potential energy of water in the discharge line

请帮忙给出正确答案和分析，谢谢！

参考答案

您可能感兴趣的试题

The advantage of a centrifugal pump as compared with a reciprocating pump is that _____.

答案解析
The function of a centrifugal pump double volute casing is to _____.

答案解析
If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilg

答案解析
Increasing the speed of a centrifugal pump will result in an increase in its capacityAnoth

答案解析
If a bilge pump failed to build up discharge pressure, you should check for _____.A.excess

答案解析
The gear pump belongs to the （) pump.A.positive displacementB.reciprocatingC.centrifugal

答案解析