Tag: #ukmmarineengineering

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(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)

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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 Aug 2020 (Q7)

EK General Jul 2021 (Q6)

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Describe with the aid of a block diagram, a compensated control system for an active fin stabilization unit (10) Steering & stabilizers Jul 2021 (Q6)

EK Motor Aug 2020 (Q6)

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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 General Jul 2021 (Q5)

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With reference to centrifugal pumps (a) State the operating principle of a centrifugal pump and why it is unnecessary to fit a relief valve to it (2) (b) State TWO impeller types, explaining which type of application EACH would be best suited for (4) (c) Explain why cavitation occurs and how it is reduced by…

EK General Jul 2021 (Q4)

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(a) Explain how power is transmitted through main shafting (2) (b) State FOUR operational factors that may induce high stress in coupling bolts (4) (c) Sketch a coupling bolt for improved design (4) Propeller, shafting & thrusters Jul 2021 (Q4)

EK Motor Aug 2020 (Q5)

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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 Aug 2020 (Q4)

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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 General Jul 2021 (Q3)

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With reference to automatic control: (a) Sketch a pneumatic proportional plus integral controller (6) (b) Explain the term integral saturation (2) (c) Explain the action to be taken by the operator in the event of integral saturation occurring (2) Control system Jul 2021 (Q3)

EK General Jul 2021 (Q2)

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