UKM Tuticorin

Tag: #ekmanagmentwritten

  • EK Electrical Jul 2019 (Q9)

    EK Electrical Jul 2019 (Q9)

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    With reference to voltage variation profiles caused by load changes imposed on alternating current generators when starting large motors on line: (a) Sketch a voltage dip, showing an acceptable recovery time (2) (b) State four salient factors that cause the variations in part ‘a’ (4) (c) Outline FOUR salient factors that assist recovery from the…

  • EK Motor Jul 2022 (Q7)

    EK Motor Jul 2022 (Q7)

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    UKM TUTICORIN
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    (a) Describe, with the aid of a sketch, a main engine fresh water cooling water system, incorporating HT and LT system (10) (b) Describe the charge air supply system for a turbocharged engine, explaining the purpose of each main part. (6) Cooling system & FWG Jul 2022 (Q7)

  • EK Electrical Mar 2019 (Q11)

    EK Electrical Mar 2019 (Q11)

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    With reference to electrical equipment in potentially flammable atmospheres: (a) Explain why conventional equipment is considered hazardous (2) (b) Explain the concept of intrinsic safety (3) (c) Describe, with the aid of a sketch barrier for an electrical power supply. (5) Explosion protection Mar 2019 (Q11)

  • EK Electrical Mar 2019 (Q10)

    EK Electrical Mar 2019 (Q10)

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    Describe how the starting torque of electric induction motors may be improved by using EACH of the following (a) Wound rotor (5) (b) Double cage (5) Electric motors Mar 2019 (Q10)

  • EK Motor Jul 2022 (Q6)

    EK Motor Jul 2022 (Q6)

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    UKM TUTICORIN
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    (a) Sketch a main engine electronically controlled fuel injection system (6) (b) Explain how the fuel injector quantity and timing is changed in the fuel injection system sketched in part (a) (6) (c) State why it may be necessary to change the engine fuel injection timing (4) Electronic engine & common rail Jul 2022 (Q6)

  • EK Electrical Mar 2019 (Q9)

    EK Electrical Mar 2019 (Q9)

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    UKM TUTICORIN
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    (a) Describe, with the aid of a sketch, a static excitation system for a generator (8) (b) Explain TWO advantages of static excitation system (2) AC Generator Mar 2019 (Q9)

  • EK Motor Jul 2022 (Q5)

    EK Motor Jul 2022 (Q5)

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    (a) Discuss the dangers associated with a main engine starting air system, explaining how these dangers are mitigated. (9) (b) State, with reasons, THREE causes of an engine failing to fire on fuel after successfully turning over on starting air. (3) (c) Explain how the engine is transferred to local (engine side) control in the…

  • EK Electrical Dec 2018 (Q11)

    EK Electrical Dec 2018 (Q11)

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    UKM TUTICORIN
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    (a)With reference to alkaline battery cell (i) Describe a typical cell, stating the materials used (4) (ii) Describe the process that takes place during discharge and charge (2) (iii) State the effects of overcharge (2) (b) State the advantages of an alkaline cell compared with a lead acid cell. (2) Batteries & Emco power supplies…

  • EK Electrical Dec 2018 (Q10)

    EK Electrical Dec 2018 (Q10)

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    UKM TUTICORIN
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    During a complete loss of electrical power, essential vital services can be maintained by means of an Uninterrupted power supply (UPS) (a) Describe, with the aid of a block diagram, the operation of an AC input UPS arrangement (7) (b) List SIX essential services that UPS may support. (3) Batteries & Emco power supplies Dec…

  • EK Electrical Dec 2018 (Q9)

    EK Electrical Dec 2018 (Q9)

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    UKM TUTICORIN
    in

     With reference to paralleling AC generators (a) Outline the requirement for synchronization (2) (b) Explain how KW power is shared (1) (c) Explain how KVar power is shared (1) (d) State SIX types of damage that may be caused when machines are incorrectly synchronised. (6) Generator & circuit protection Dec 2018 (Q9)