Tag: #ekmanagmentwritten

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(a) Describe, with the aid of a sketch, a cylinder arrangement for a dual fuel 2-stroke engine, explaining how the gaseous fuel is delivered to the cylinder and ignited. (12) (b) Explain the term methane slip in reference to a dual fuel engine, stating why it occurs and the effect on the atmosphere (4) Mar…

EK Motor Mar 2024 (Q2)

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(a) Describe, with the aid of a sketch, a main engine fresh water cooling water system, incorporating HT and LT systems (10) (b) Describe the charge air supply system for a turbocharged engine, explaining the purpose of each main part (6) Mar 2024 (Q2)

EK Motor Mar 2024 (Q1)

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The Chief Engineer officer wrote a report to the engineering superintendent regarding the failure of a high pressure fuel pump unit on an electronically controlled engine. The report must explain the nature of the failure, how the failure was detected and the immediate action taken. The report must also explain the actions taken to replace…

EK Motor Dec 2023 (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 oil and changed over to heavy fuel operation (6) (c) Explain how…

EK Motor Dec 2023 (Q8)

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(а) With the aid of a sketch, explain how and why thermal stress occurs in cylinder liners of an operating diesel engine. (10) (b) With the aid of a sketch, explain how cylinder liner thermal stress can be minimised. (6) Dec 2023 (Q8)

EK Motor Dec 2023 (Q7)

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With reference to poor ignition quality fuel: (a) Explain how it can affect combustion in BOTH slow speed and medium speed diesel engines (8) (b) Explain how the effects on BOTH diesel engine types in part (a) can be reduced (8) Dec 2023 (Q7)

EK Motor Dec 2023 (Q6)

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With reference to slow speed diesel engine turbocharging: (a) Explain why electrically driven scavenge air blowers are fitted (4) (b) Describe how a turbocharger may be disabled to allow for operation of the main engine in the event of failure of the turbocharger rotor (8) (c) Describe the procedure for running an engine in the…

EK Motor Dec 2023 (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 actions…

EK Motor Dec 2023 (Q4)

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(a) Describe, with the aid of a sketch, either a diesel engine Open Loop SOx scrubber system or a Closed Loop SOx scrubber system. (10) (b) Explain what systems need to be monitored in order to ensure that the scrubber system meets all IMO regulations. (6) Dec 2023 (Q4)

EK Motor Dec 2023 (Q3)

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