Tag: #ukmmarineengineering

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With reference to bacteria harmful to humans in drinking and washing water: (a) State the constraints placed on the installation and use of a system for shipboard production of fresh water (3) . (b) State the maintenance and treatment recommended for fresh water tanks (3) (c) Describe the principle of operation of a sterilizer that…

EK Motor Oct 2020 (Q5)

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(a) Draw a labeled sketch through a section of a crosshead type engine, showing the location and fitting of tie rods (4) (b) Explain why tie rods are fitted is crosshead engines and not required for a trunk piston engines (6) (c) As Chief Engineer Officer, write instruction for the checking of tie rods fitted…

EK General Mar 2022 (Q5)

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With reference to centrifugal pumps: (a) Explain the principle of operation of a centrifugal pump (4) (b) Explain why centrifugal pumps are not self priming (2) (c) State why some pumps may have EACH of the following (i) A double entry impeller (2) (ii) More than one impeller (2) Pumps & system Mar 2022 (Q5)

EK General Mar 2022 (Q4)

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State the inspections, instructions and maintenance that should be carried out on main sea water pipelines, strainers and ship’s side valves to minimize the risks of engine room flooding. (10) Materials Mar 2022 (Q4)

EK Motor Oct 2020 (Q4)

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(a) Explain, with the aid of sketch, the gas combustion process in a dual fuel medium speed main engine, operating with pilot injection (10) (b) Explain what is meant by exhaust gas recirculation and how this may be effective in reducing air pollution (6) Dual fuel Oct 2020 (Q4)

EK General Mar 2022 (Q3)

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With reference to machinery condition monitoring systems: (a) State what is meant by machinery condition monitoring (2) (b) State the means available for gathering data (3) (c) Describe how the data is used to indicate machinery condition trends (3) (d) Explain the relevance of machinery condition monitoring to approved planned maintenance systems (2) Duties &…

EK Motor Oct 2020 (Q3)

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Write a report to the superintendent engineer concerning an incident of turbocharged vibration and surging which occurred on a 2-stroke, direct drive, main propulsion engine during a normal passage in calm weather. The report must include information about the immediate action taken to prevent damage, the subsequent action to remedy the fuel and recommendations to…

EK General Mar 2022 (Q2)

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With reference to steels used in shipbuilding and marine engineering: (a) Describe EACH of the following types of failure; (i) Brittle failure; (2) (ii) Ductile failure. (2) (b) Explain the term ductile to brittle transition stating the factor that determines ductile to brittle transition. (2) (c) Describe a test to determine the value of brittle…

EK General Mar 2022 (Q1)

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State, with reasons, the materials used in EACH of the following components of a centrifugal pump for sea water circulation duties: Casing (2) Impeller (2) Shaft (2) Wear ring (2) Mechanical seal (2) Materials Mar 2022 (Q1)

EK Motor Oct 2020 (Q2)

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