Tag: #diameterimpeller

  • EK General Mar 2018 (Q4)

    EK General Mar 2018 (Q4)

    (a) State the affinity laws for a centrifugal pump (3) (b) State the effects on the pump affinity laws of fitting a slightly smaller diameter impeller (2) (c) Explain, with the aid of a head versus flow diagram, why a two speed pump is preferable to throttling where high and low capacities are demanded for…