Tag: #ukmaritime

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(a) Explain why multiple air inlet and exhaust valves are fitted to some medium speed diesel engines (4) (b) Explain how the valve actuator (tappet) clearance is set for multiple valve installations (4) (c) Write a procedure for checking the valve operating mechanics of a medium speed engine (8) Cylinder head Dec 2020 (Q4)

EK General Oct 2022 (Q3)

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(a) Sketch a muff type propeller shaft coupling. (5) (b) Describe how this type of coupling is connected. (5) Propeller, shafting & thrusters Oct 2022 (Q3)

EK Motor Dec 2020 (Q3)

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in EK Motor

With reference to a closed loop engine exhaust gas SOx scrubber system: (a) Describe, with the aid of a sketch, such a system. (8) (b) State, with reason, the fluid which is used for SOx scrubbing in this system (4) (c) State how the effectiveness of the scrubbing fluid is maintained and how the sludge…

EK General Oct 2022 (Q2)

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(a) Explain EACH of the following control terms: (i) proportional action; (2) (ii) integral action. (2) (b) Describe, with the aid of a sketch, a control system that may be enhanced by the inclusion of cascade control. (6) Control system Oct 2022 (Q2)

EK Motor Dec 2020 (Q2)

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in EK Motor

(a) Describe, with the aid of a sketch, a main engine fuel oil circulating system incorporating the MGO and HFO service tanks, a fuel oil change-over system, heating and viscosity control system and tank return system (10) (b) Write instructions for changing the system described in part (a) of the question from MGO to HFO,…

EK General Oct 2022 (Q1)

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With reference to air receivers: (a) explain why air receivers are prone to corrosion; (3) (b) state how corrosion can be prevented; (3) (c) if significant corrosion is detected during a regular inspection explain how the air receiver may still be safely used in service until a permanent repair can be affected. (4) Materials Oct…

EK General Jul 2022 (Q8)

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List TEN checks that a Chief Engineer Officer should make prior to a Port State Control inspection of the engine room and its equipment. (10) ISM & survey Jul 2022 (Q8)

EK General Jul 2022 (Q7)

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(a) Sketch a diagrammatic arrangement of a fully automatic provision refrigeration system incorporating a number of cold rooms. (5) (b) Explain the sequence of events from a demand for refrigerating effect in a cold room until the room has reached its desired temperature. (5) Reefer & A/C Jul 2022 (Q7)

EK General Jul 2022 (Q6)

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As Chief Engineer Officer appointed to a newly acquired older vessel, compile a list of all the checks that would be required of the ship’s steering gear and associated equipment, given that no handover from the previous owners had taken place. (10) Steering & stabilizers Jul 2022 (Q6)

EK General Jul 2022 (Q5)

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