UKM Tuticorin

Tag: #carbondeposits

  • EK Motor Mar 2022 (Q6)

    EK Motor Mar 2022 (Q6)

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    UKM TUTICORIN
    in

    With reference to engine fuel injector nozzle cooling: (a) Explain why fuel injector nozzle cooling is necessary (4) (b) Describe, with the aid of a sketch, the operation of a nozzle cooling system for a generator engine (8) (c) Explain how fuel injector nozzles are cooled on engine which are not fitted with a separate…

  • EK Motor Dec 2021 (Q6)

    EK Motor Dec 2021 (Q6)

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    by

    UKM TUTICORIN
    in

    (a) Explain, why optimum fuel atomisation is required in a marine diesel engine cylinder and how it is achieved (6)    (b) Explain how optimum fuel droplet size is produced by a fuel injector (6)    (c) Explain how fuel injector nozzles are maintained in good condition (4) Dec 2021 (Q6)

  • EK Motor Oct 2020 (Q7)

    EK Motor Oct 2020 (Q7)

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    by

    UKM TUTICORIN
    in

    (a) Explain why a diesel engine cylinder is supplied with excess air (4) (b) Explain why fuel droplet size produced during injection has to be within narrow limits in order to enable good cylinder combustion to be achieved (4) (c) Explain how the desired fuel droplet size is produced by fuel injections (4) (d) State…