Increasing the speed of a centrifugal pump will result in an increase in its capacity in its capacityAnother means of increasing the capacity pump is to increase the（）
1、If the speed of a turbocharged diesel
If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）Adecrease until the engine speed increasesBincrease as the load increasesCdecrease as the loadDincreases remain unchanged
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、The vessel is at a speed of 16（）.
The vessel is at a speed of 16（）.Akilometers per hourBmiles per hourCrevolution per minuteDmeters per hour
4、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...
5、If the capacity of a centrifugal pump
If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the （）.Apacking glandBmechanical sealsClantern ringsDwearing ring
6、The function of a centrifugal pump dou
The function of a centrifugal pump double volute casing is to （）.Areduce radial thrust to the impellerBdouble the liquid velocity through the pump when compared to a single voluteCreduce hydraulic end thrustDprovide the effect of multi-staging