UKM Tuticorin

Tag: #netpositivesuctionhead

  • EK General Oct 2018 (Q5)

    EK General Oct 2018 (Q5)

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    by

    UKM TUTICORIN
    in

    With reference to centrifugal pumps: (a) Explain the operating principle of a centrifugal pump and why it is unnecessary to fit a relief valve to it; (4) (b) State two impeller types and which type of application they would be best suited for; (2) (c) Explain why cavitation occurs and how to possibly reduce by…

  • EK General Jul 2017 (Q4)

    EK General Jul 2017 (Q4)

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    by

    UKM TUTICORIN
    in

    With reference to centrifugal pumps and pumping systems: (a) Explain, with the aid of a diagram, the distinction between Net Positive Suction Head available (NPSHa) and Net Positive Suction Head required (NPSHr) (8) (b) Explain how the NPSHa may be increased by design (2) Pumps & system Jul 2017 (Q4)