A centrifugal pump produces flow with a resulting discharge head by energy conversionIt is typical for the energy conversion to follow the order of （）.
1、The advantage of a centrifugal pump as
The advantage of a centrifugal pump as compared with a reciprocating pump is that （）.Adischarge is continuousBit has no internal valvesCupon accidental closing of discharge valve, excessive pressure will not build upDall of the above are true
2、A multistage centrifugal pump can be B
A multistage centrifugal pump can be BEST described as having （）.Atwo or more impellers housed together in one casing and mounted on a singl...
3、A mixed-flow pump is a （） pump classif
A mixed-flow pump is a （） pump classified by the working principle.Aself primingBpositive displacementCreciprocatingDimpeller
4、A double suction centrifugal pump impe
A double suction centrifugal pump impeller has been installed in the reverse direction, and will （）.Ahave a greater head capacityBoperate with...
5、The capacity of a centrifugal pump can
The capacity of a centrifugal pump can be increased by the installation of a larger diameter impeller Another means of increasing the pump cap...
6、A centrifugal pump vibrates excessivel
A centrifugal pump vibrates excessively during operationUpon disassembling the pump it is found that the impeller is out of balanceWithout an av...