UKM Tuticorin

Category: EK GENERAL

  • EK General Mar 2023 (Q4)

    EK General Mar 2023 (Q4)

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    (a) Describe a vacuum sewage system. (5) (b) List the advantages of the system described in part (a) (4) (c) State why untreated sewage should not be allowed to stagnate. (1) Sewage system Mar 2023 (Q4)

  • EK General Mar 2023 (Q3)

    EK General Mar 2023 (Q3)

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    With reference to stern tube bearings: (a) Explain why white metal lined bearings are susceptible to failure; (5) (b) Outline the merits of non metallic bearings. (5) Propeller, shafting & thrusters Mar 2023 (Q3)

  • EK General Mar 2023 (Q2)

    EK General Mar 2023 (Q2)

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    (a) Describe, with the aid of a sketch, a temperature measuring instrument that uses the principle of operation of a change in resistance with the application of heat. (6) (b) Describe how the instrument sketched in part (a) is tested and calibrated. (4) Control system Mar 2023 (Q2)

  • EK General Mar 2023 (Q1)

    EK General Mar 2023 (Q1)

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    (a) Explain EACH of the following metallurgical failure mechanisms: (i) Fretting (3) (ii) Fretting corrosion (3) (b) State TWO shipboard examples where fretting may occur (2) (c) State TWO shipboard examples where fretting corrosion may occur (2) Materials Mar 2023 (Q1)

  • EK General Dec 2022 (Q8)

    EK General Dec 2022 (Q8)

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    With reference to tanks containing hydrocarbon liquids and vapors: (a) Define EACH of the following terms: (i) Explosive limits (2) (ii) Vapor pressure. (2) (iii) Flash point. (2) (b) explain how the atmosphere in cargo tanks containing varying percentages of flammable gas can be maintained in a safe condition at all times (4) Fire Dec…

  • EK General Dec 2022 (Q7)

    EK General Dec 2022 (Q7)

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     With reference to refrigeration systems. (a) Explain why undercooling of the refrigerant at the condenser outlet is desirable (3) (b) Describe, with the aid of a sketch, how a heat exchanger could be incorporated in the circuit to enhance undercooling (5) (c) Explain the possible consequences of the refrigerant having a dryness fraction at the…

  • EK General Dec 2022 (Q6)

    EK General Dec 2022 (Q6)

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    (a) Sketch an oily water separator that complies with current MARPOL regulations (5) (b) Describe a monitoring system that ensures that the oil discharge content is below the recommended maximum and that logs and retains data. Also mention any other measures to ensure that illegal discharges are prohibited (5) Bilge, OWS & ORB Dec 2022…

  • EK General Dec 2022 (Q5)

    EK General Dec 2022 (Q5)

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    With reference to centrifugal pumps. (a) explain how the internal condition may be assessed without having to dismantle the pump (3) (b) state the effects of misalignment between the driving motor and the pump (2) (c) describe with the aid of a sketch how misalignment may be corrected (5) Pumps & system Dec 2022 (Q5)

  • EK General Dec 2022 (Q4)

    EK General Dec 2022 (Q4)

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    (a) Sketch a hydraulic type of shaft coupling bolt. (4) (b) State the advantages of the arrangement in part (a) compared to conventional bolts. (3) (c) State THREE operational factors that may induce high stress in shaft coupling bolts. (3) Propeller, shafting & thrusters Dec 2022 (Q4)

  • EK General Dec 2022 (Q3)

    EK General Dec 2022 (Q3)

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    (a) Describe, with the aid of a sketch, the principle of operation of a modern shaft torsion meter. (8) (b) Explain why it is important in terms of hull efficiency to measure and compare shaft torque and speed (2) Propeller, shafting & thrusters Dec 2022 (Q3)