The basic function of the centrifugal pump impeller is to （）.
1、The function of the piston compression
The function of the piston compression rings used in a diesel engine is to （）Aseal the space between the piston and linerBtransmit heat from the piston to the cylinder linerCreduce the amount of combustion gas blow-byDall of the above
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 main function of the lubrication s
The main function of the lubrication system in to enable （） of a film of oil between the moving parts.Athe informationBthe formationCthe scatterDthe frictio
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 the hydraulic telemoto
The function of the hydraulic telemotor transmitter used in an electro-hydraulic steering gear system is to （）.Atransmit the rudder angle to t...