Shaft sealing in a centrifugal pump can be effected by （）.
- Athe mechanical seal
- Bpacked stuffing boxes
- Ceither A or B
- Dneither A nor B
问题
Shaft sealing in a centrifugal pump ca
参考解析：
分类：船舶辅助机械题库
相关推荐
-
1、Sealing in pump shaft is achieved by m
Sealing in pump shaft is achieved by means of the ( ).AgasketBpackingCo-ring
-
2、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
-
3、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...
-
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、A centrifugal pump produces flow with
A centrifugal pump produces flow with a resulting discharge head by energy conversionIt is typical for the energy conversion to follow the orde...
-
6、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...