UKM Tuticorin

Tag: #ekmanagmentwritten

  • EK Electrical Oct 2018 (Q11)

    EK Electrical Oct 2018 (Q11)

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    UKM TUTICORIN
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    With reference to lithium-ion batteries: (a) Explain why this type of batteries has been adapted for shipboard use (4) (b) State ONE advantage and ONE disadvantage of lithium-ion batteries (2) (c) Define EACH of the following terms (i) Cell drift (2) (ii) Thermal runaway (2) Batteries & Emco power supplies Oct 2018 (Q11)

  • EK Electrical Oct 2018 (Q10)

    EK Electrical Oct 2018 (Q10)

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    UKM TUTICORIN
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    (a) Sketch a circuit diagram of an emergency generator power supply and distribution system, indicating the essential services provided. (6) (b) state the emergency generator regulations. (4) Batteries & Emco power supplies Oct 2018 (Q10)

  • EK Motor Jul 2022 (Q4)

    EK Motor Jul 2022 (Q4)

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    UKM TUTICORIN
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    (a) Describe a procedure for cylinder liner calibration, indicating how the readings are recorded to allow for easy recognition of liner wear (6) (b) Describe TWO forms of abnormal cylinder wear, explaining how EACH is recognised (6) (c) Explain how abnormal cylinder liner wear may be prevented (4) Cylinder liner Jul 2022 (Q4)

  • EK Electrical Oct 2018 (Q9)

    EK Electrical Oct 2018 (Q9)

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    UKM TUTICORIN
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    Describe, with the aid of a circuit diagram, the operation of a shaft generator that uses a frequency converter (10) AC Generator Oct 2018 (Q9)

  • EK Motor Jul 2022 (Q3)

    EK Motor Jul 2022 (Q3)

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    UKM TUTICORIN
    in

    (a) Describe, with the aid of a sketch, a Selective Catalytic NOx Reduction system, explaining the chemical reaction for reducing NOx and the control system requirements. (10) (b) State two engine based systems for reducing marine diesel engine NOx, explaining how they reduce NOx level but also increase fuel consumption and CO2 emissions. (6) Emission…

  • EK Electrical Jul 2018 (Q11)

    EK Electrical Jul 2018 (Q11)

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    UKM TUTICORIN
    in

    (a) Explain the principle of operation of an insulation resistance test, stating why the test is carried out on a regular basis (6) (b) Describe how EACH of the following electrical tests is carried out (i) Resistance (2) (ii) Continuity. (2) Electric motors Jul 2018 (Q11)

  • EK Electrical Jul 2018 (Q10)

    EK Electrical Jul 2018 (Q10)

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    UKM TUTICORIN
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    Describe with the aid of a circuit diagram, the operation of an automatic voltage regulator, which employs the use of thyristor (10) AC Generator Jul 2018 (Q10)

  • EK Motor Jul 2022 (Q2)

    EK Motor Jul 2022 (Q2)

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    UKM TUTICORIN
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    (a) Explain fatigue cracking, stating its causes and propagation. (8) (b) Explain how the risk of fatigue cracking of cylinder head holding studs is liable to be increased by poor maintenance and engine overload. (8) Materials Jul 2022 (Q2)

  • EK Motor Jul 2022 (Q1)

    EK Motor Jul 2022 (Q1)

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    UKM TUTICORIN
    in

    Write a report for the engineering superintendent regarding the replacement of the fuel injectors of three main engine units due to severe erosion of the nozzle holes and burning of the injector tips. The report must explain how the defects were detected, the likely cause of the damage and the action which has been implemented…

  • EK Electrical Jul 2018 (Q9)

    EK Electrical Jul 2018 (Q9)

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    UKM TUTICORIN
    in

    (a) Explain why it is necessary to provide reverse power protection for AC generators operating in parallel (2) (b) Sketch a generator protecting circuit (5) (c) Explain how the operation of the reverse power trip is tested. (3) Generator & circuit protection Jul 2018 (Q9)