Tag: #ekmanagmentwritten

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(a) Describe, with the aid of a sketch, an open loop system for reducing SOx emissions from engine exhaust gas, explaining how the system operates whilst the vessel is in open waters. (6) (b) Describe, with the aid of a sketch, a closed loop scrubber system for removing SOx from engine exhaust gas, explaining the…

EK Motor Dec 2022 (Q5)

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(a) Describe the purpose of a diesel engine crankcase oil mist eliminator/oil box, explaining how such a system operates (6) (b) Describe, with reasons, the properties required of a trunk piston diesel engine crankcase lubrication oil stating how the LO is maintained in good condition over an operating period. (10) Dec 2022 (Q5)

EK Motor Dec 2022 (Q4)

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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 2022 (Q4)

EK Motor Dec 2022 (Q3)

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With reference to turbocharger systems: (a) Describe how performance of the system is monitored and how the information gathered is used to assess performance: (8) (b) Describe the arrangements for maintaining the systems in good condition (8) Dec 2022 (Q3)

EK Motor Dec 2022 (Q2)

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(a) Describe, with the aid of a sketch, a diesel engine NOx reduction system using chemical supply, explaining the safety and pollution avoidance systems required. (12) (b) Explain chemical reactions involved in the NOx reduction system described in part (a) of the question (4) Dec 2022 (Q2)

EK Motor Dec 2022 (Q1)

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Write a report to the engineering superintendent regarding the failure of a main crosshead engine fuel pump cam and follower where the damage was so severe that the normal pump lifting equipment could not be immediately fitted. The report must explain how the defect was detected, the immediate action taken. the rectifying action taken to…

EK Motor Oct 2022 (Q9)

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With reference to waste heat system generation systems: (a) describe, with the aid of a sketch, the water/steam circulation system for the waste heat recovery section; (5) (b) explain how the economiser circulation pumps are kept cool; (3) (c) describe how system steam pressure is maintained and the system operated when the associated diesel engine…

EK Motor Oct 2022 (Q8)

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With reference to diesel engine NOx emissions: (a) explain how NOx is formed during operation of the engine, indicating why the aim of high engine efficiency increases the problem; (6) (b) describe ONE external means by which diesel engine NOx emissions may be reduced in order to meet current regulations. (10) Oct 2022 (Q8)

EK Motor Oct 2022 (Q7)

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(a) Describe, with the aid of a sketch, a main engine and generator fuel system which has the capability of changing the generators from HO to MDO operation whilst maintaining circulation of HFO in the main engine system. (8) (b) Write instructions for the change of the generator engines to operation on MDO whilst keeping…

EK Motor Oct 2022 (Q6)

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