Category: EK Motor

  • EK Motor Oct 2020 (Q3)

    EK Motor Oct 2020 (Q3)

    Write a report to the superintendent engineer concerning an incident of turbocharged vibration and surging which occurred on a 2-stroke, direct drive, main propulsion engine during a normal passage in calm weather. The report must include information about the immediate action taken to prevent damage, the subsequent action to remedy the fuel and recommendations to…

  • EK Motor Oct 2020 (Q2)

    EK Motor Oct 2020 (Q2)

    (a) Describe the cause and effect of bacterial attack on crankcase lubricating oil (6) (b) Explain how bacterial attack on crankcase oil may be detected (4) (c) Describe how a crankcase lubricating oil system may be returned to service following bacterial attack of the lubricating oil (6) Lubricating oil & system Oct 2020 (Q2)

  • EK Motor Oct 2020 (Q1)

    EK Motor Oct 2020 (Q1)

    (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 Oct 2020 (Q1)

  • EK Motor Aug 2020 (Q9)

    EK Motor Aug 2020 (Q9)

    (a) Describe, with the aid of a sketch, the water/ steam circulation system for the waste heat recovery system (5) (b) Explain how economiser circulation pumps are maintained in a cool condition to allow for prolonged operation without problem (3) (c) Describe how a waste heat recovery system steam pressure is maintained and the system…

  • EK Motor Aug 2020 (Q8)

    EK Motor Aug 2020 (Q8)

    (a) Describe the sequence of events that may lead to a crankcase explosion (6) (b) Describe an oil mist detector, explaining how it operates (8) (c) Describe how an oil mist detector operation is checked for accuracy (2) Crankcase explosion & OMD Aug 2020 (Q8)

  • EK Motor Aug 2020 (Q7)

    EK Motor Aug 2020 (Q7)

    (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 Aug 2020 (Q7)

  • EK Motor Aug 2020 (Q6)

    EK Motor Aug 2020 (Q6)

    (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 actions…

  • EK Motor Aug 2020 (Q5)

    EK Motor Aug 2020 (Q5)

    With reference to diesel engine SOx exhaust gas cleaning and pollution control: (a) State, with reasons, which system parameters are monitored, explaining where the monitoring devices are located, how the data is stored and how data is made available to regulatory authorities. (10) (b) state how pollution of sea water can be caused by the…

  • EK Motor Aug 2020 (Q4)

    EK Motor Aug 2020 (Q4)

    As Chief Engineer Officer, write a report to the company superintendent engineer concerning bacterial attack of lubricating oil in the sumps of the main engine and one of the generator engines. The report should explain how the attack was detected, damage found in the engine , investigations into the possible cause of the attack, how…

  • EK Motor Aug 2020 (Q3)

    EK Motor Aug 2020 (Q3)

    With reference to LNG diesel engine installations: (a) Describe, with the aid of a sketch, a Gas Valve Unit, explaining its purpose and indicating where it is located in the gas train (8) (b) Explain why ventilation and inert gas system must be installed with the engine fuel gas system (4) (c) state why pilot…