Tag: #centrifugalforce
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EK General Dec 2024 (Q5)
With reference to centrifugal pumps and pumping systems: (a) Explain the principle of operation of a centrifugal pump; (4) (b) Define net positive suction head available (NPSHa); (2) (c) State the effects of temperature on NPSHa; (2) (d) Describe how the effects of temperature can be overcome. (2) 10 marks Dec 2024 Pumps & system…
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EK General Mar 2022 (Q5)
With reference to centrifugal pumps: (a) Explain the principle of operation of a centrifugal pump (4) (b) Explain why centrifugal pumps are not self priming (2) (c) State why some pumps may have EACH of the following (i) A double entry impeller (2) (ii) More than one impeller (2) Pumps & system Mar 2022 (Q5)
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EK General Mar 2021 (Q5)
With reference to centrifugal separators used for oily bilge duty (a) Explain why centrifugal oily water separators are superior to those rely on gravity (3) (b) Describe, with the aid of a sketch, how flow over the centrifugal separator plates can break down emulsion by encountering flocculation of particles and coalescence of droplets (5) (c) State…
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EK General Dec 2017 (Q4)
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…
UKM Tuticorin 