Author: UKM TUTICORIN

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(a) Sketch a four ram type steering gear consisting of two fifty per cent torque units that complies with the single failure concept and automatic isolation. (6) (b) Describe how automatic isolation, for the hydraulic circuit sketched in part (a), is achieved within 45 seconds should leakage of system oil occur. (4) Steering & stabilizers…

EK Motor Dec 2019 (Q2)

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(a) Sketch a main engine fuel system from the HFO and Low Sulphur service tanks to the main engine, showing all important valves (6) (b) Using the sketch drawn in part (a), write instructions for the changeover of a main engine fuel system from HFO to Low Sulphur fuel, indicating the timescale for each operation…

EK Motor Dec 2019 (Q1)

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(a) Describe, with the aid of a sketch, a main engine holding down system explaining how the design features help prevent excessive stress in the holding down studs (8) (b) Describe, with the aid of a sketch, an engine top bracing arrangement, explaining why they are fitted and checked for operational performance (8) Engine construction…

EK General Jul 2020 (Q4)

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in EK GENERAL

With reference to pump selection, state TWO types of pump for EACH of the following applications, stating why they are suitable: (a) bilge pumping; (2) (b) cargo oil stripping; (2) (c) sewage sludge; (2) (d) lubricating oil circulating; (2) (e) sea water circulating. (2) Pumps & system Jul 2020 (Q4)

EK General Jul 2020 (Q3)

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in EK GENERAL

With reference to propeller cavitation: (a) define cavitation; (2) (b) describe FOUR detrimental effects of propeller cavitation. (8) Propeller, shafting & thrusters Jul 2020 (Q3)

EK Motor Oct 2019 (Q9)

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(a) Describe, with the aid of a sketch, a system for burning gaseous fuel in a two-stroke diesel engine, indicating safety features fitted and explaining why the gas has to be injected into the cylinder rather than mixed with the combustion air outside of the cylinders. (12) (b) Define the term Methane Slip, explaining how…

EK Motor Oct 2019 (Q8)

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With reference to boilers and steam generation systems: (a) explain the term water hammer, stating how it is caused and describing the possible consequences of it; (4) (b) explain how water hammer can be avoided; (4) (c) describe, with the aid of a sketch, how the boiler fuel system may be operated in port to…

EK Motor Oct 2019 (Q7)

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(a) Describe how crosshead bearing and guide clearances can be checked (6) (b) Describe, with the aid of a sketch, the procedure for checking the condition of a crosshead engine bottom end bearing surface (10). Bearings Oct 2019 (Q7)

EK Motor Oct 2019 (Q6)

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Write instructions for the actions to be taken by a duty engineer following activation of a slow speed main engine exhaust gas differential temperature alarm during a period of unmanned machinery operation. The instructions must cover the period from activation of the alarm to return of the main engine to normal operation. (16) Engine protection…

EK Motor Oct 2019 (Q5)

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