UKM Tuticorin

Category: EK Motor

  • EK Motor Dec 2021 (Q8)

    EK Motor Dec 2021 (Q8)

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    (a) With the aid of sketches, describe the operation of a dual fuel 4-stroke engine when operating on gas (10)   (b) For the engine described in (a), Explain how and when the fuels are supplied to the cylinders (6) Dec 2021 (Q8)

  • EK Motor Dec 2021 (Q7)

    EK Motor Dec 2021 (Q7)

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    With reference to diesel engine lubricating oil and distillate fuel oil:   (a) Describe the causes and effects of microbial attack (6)   (b) Explain how bacterial attack may be detected (4)   (c) Describe how an oil system may be returned to service following microbial attack (6)  Dec 2021 (Q7)

  • EK Motor Dec 2021 (Q6)

    EK Motor Dec 2021 (Q6)

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    (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 Dec 2021 (Q5)

    EK Motor Dec 2021 (Q5)

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    (a) Describe, with the aid of a sketch, a diesel engine air start system and the devices which are fitted to prevent or limit damage in the event of an explosion (8)    (b) Explain how an explosion in a diesel engine air start system might occur (4)    (c) As Chief Engineer Officer, Outline the…

  • EK Motor Dec 2021 (Q4)

    EK Motor Dec 2021 (Q4)

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    With reference to cylinder liner scuffing:    (a) Explain how it is caused, stating the method of detection (6)    (b) Explain the effects of cylinder liner scuffing (4)    (c) Explain how minor scuffing may be treated in order to avoid the need for liner replacement (6) Dec 2021 (Q4)

  • EK Motor Dec 2021 (Q3)

    EK Motor Dec 2021 (Q3)

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    With reference to diesel hybrid SOx scrubber systems:   (a) State the fluids used in the open and closed loops of the scrubber, explaining how these fluids are controlled to meet the scrubbing demands at different engine loads (6)   (b) State the circumstances under which open loop scrubbing would be used and closed loop scrubbing would…

  • EK Motor Dec 2021 (Q2)

    EK Motor Dec 2021 (Q2)

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    (a) Describe with the aid of sketches, the lubrication system for a turbocharger (6)    (b) Describe, with the aid of sketches, the replacement of a turbocharger bearing, stating the checks which must be made before the turbocharger is returned to service (10) Dec 2021 (Q2)

  • EK Motor Dec 2021 (Q1)

    EK Motor Dec 2021 (Q1)

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    As chief engineer officer, write a report to the engineering superintendent regarding the failure of a main engine cylinder liner due to cracking which resulted in water leakage from the cooling space into the cylinder. The report must explain how the defect was detected, the immediate action taken, the rectifying action taken to ensure that…

  • EK Motor Oct 2021 (Q9)

    EK Motor Oct 2021 (Q9)

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    With reference to oil fired boilers: (a) Describe, with the aid of a sketch, the fuel system including the pilot ignition system (6) (b) Explain how the boiler whose fuel system is described in part (a) is flashed up from cold on diesel and changed over to heavy fuel operation (6) (c) Explain how the…

  • EK Motor Oct 2021 (Q8)

    EK Motor Oct 2021 (Q8)

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    While operating in heavy weather the main engine loses power and misfires. Investigation shows considerable quantities of water in fuel (a) As Chief Engineer Officer, explain the immediate actions which should be taken to ensure safe operation of the ship (6) (b) State, with reason, the possible sources of water entering the fuel storage, handling…