Tag: #ukmaritime

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Describe, with the aid of a sketch, the exhaust gas and charges air flow system through an engine cylinder and turbocharger of a two stroke engine, indicating the cooling and water separation system (6) Describe how a water separator removes water droplets from a charge air flow. (4) Explain the possible consequences of not removing…

EK Motor Jul 2021 (Q2)

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Describe, with the aid of a sketch, the lubrication system of a crosshead type diesel engine (8) Explain the properties required by the lubricating oil in each of the systems described in part (a), stating how these properties compare with those of a lubricating oil used in the crankcase of a trunk piston type diesel…

EK Motor Jul 2021 (Q1)

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(a) Explain why an engine may fail to start no air when the start air receiver is fully charged and the air receiver outlet to the engine is open (10) (b) Describe how problem with air starting system may be avoided (6) Jul 2021 (Q1)

EK Motor Mar 2021 (Q9)

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(a) Explain why optimum fuel atomisation is required in a marine diesel engine cylinder and how this is achieved (6) (b) Explain how optimum fuel droplet size is produced by a fuel injector (6) (c) Explain how fuel injector nozzle are maintained in good condition (4) Fuel oil & system Mar 2021 (Q9)

EK Motor Mar 2021 (Q8)

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As Chief Engineer Officer, write a report to the engineering superintendent regarding the failure of a main engine cylinder liner due to cracking which resulted in water leakage from the cooling space into the cylinder. The report must explain how the defect was detected, the immediate action taken, the rectifying action taken to ensure that…

EK Motor Mar 2021 (Q7)

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(a) Explain why top bracing is used for large crosshead engines (4) (b) Describe, with the aid of a sketch, a hydraulic top bracing unit for a large crosshead engine indicating where the top bracing is fitted and how it operates (6) (c) Write instructions for the checking of a large crosshead engine hydraulic top…

EK Motor Mar 2021 (Q6)

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(a) Write the Chief Engineer Officer’s standing instructions for the actions to be taken by the watch keeping engineer in the event of failure of the engine room control monitoring and alarm system (8) (b) State the procedure to be followed in the event of repeated activation of an oil mist detector alarm (8) Control…

EK Motor Mar 2021 (Q5)

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(a) Describe, with the aid of a sketch, the lubrication system for a crosshead engine, explaining the properties required for the lubricating oil in each system (10) (b) Describe a system which may be used to ensure that the cylinder lubricating oil properties are available for a crosshead engine when changing between fuels (including between…

EK Motor Mar 2021 (Q4)

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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 Mar 2021 (Q3)

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