The centrifugal pump component responsible for converting the mechanical energy of the liquid being pumped, to that of kinetic energy is the ().
A、electric motor
B、volute
C、impeller
D、diffusion nozzle
A、electric motor
B、volute
C、impeller
D、diffusion nozzle
A、centrifugal pump is cheaper than reciprocating pump B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump C、centrifugal pump makes maintenance easier than reciprocating pump does D、all of the above
A、one size larger than the pump discharge nozzle B、the same size as the pump discharge nozzle C、one size smaller than the pump discharge nozzle D、installed with a short radius elbow at the pump
A、discharge side of the centrifugal pump B、suction side of the centrifugal pump C、the lowest point of the cooling water system D、inlet of the main engine
A、one size smaller than the pump suction nozzle B、the same size as the pump suction nozzle C、one size larger than the pump suction nozzle D、installed with a short radius elbow at the pump
A、directly increase the pressure of the liquid being pumped B、directly increase the velocity of the liquid being pumped C、convert the potential energy of the liquid to kinetic energy D、separate air from the liquid being pumped