Reduced capacity, accompanied by vibration and noise at the suction of a centrifugal pump is a result of （）.
- Acavitation
- Bwater hammer
- Cfluid friction
- Dsteam knock
问题
Reduced capacity, accompanied by vibra
参考解析：
分类：船舶辅助机械题库
相关推荐
-
1、When visibility is reduced to about 5
When visibility is reduced to about 5 miles, we say that visibility is（）.Avery goodBgoodCpoorDmoderate
-
2、Reduced voltage applied to a motor dur
Reduced voltage applied to a motor during the starting period will （）.Aresult in decreased acceleration time onlyBlower the starting current an...
-
3、You are underway in reduced visibility
You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.Y...
-
4、Because of the reduced （） in the disti
Because of the reduced （） in the distillation system, some of the sea water boils as it flows through the tubes of the evaporator.ApressureBtemperatureCdensityDvolume
-
5、The （） should be gradually reduced aft
The （） should be gradually reduced after FWE.Afuel oilBcooling waterCstarting airDauxiliary blower
-
Capacity LICENCE是叠加的。A正确B错误