Category: EK GENERAL

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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 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 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 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 General Dec 2021 (Q8)

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As Chief Engineer Officer, describe the examinations that would be carried out during a safety equipment survey with regards to fire safety. (10) Fire Dec 2021 (Q8)

EK General Dec 2021 (Q7)

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With reference to deck machinery: (a) Sketch a line diagram showing the layout and components of a hydraulic system with a variable delivery, pressure compensated pump and accumulator, suitable for the operation of deck machinery (5) (b) discuss the advantages of using electrically driven machinery over hydraulically driven winches and windlass (5) Deck machinery Dec…

EK General Dec 2021 (Q6)

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With reference to microbial infestation (a) List the engine room system that may be affected by this type of contamination (2) (b) Explain the conditions required for bacteria to evolve (6) (c) Describe how the presence of microbial contamination could be detected (2) Lubricating oil & system Dec 2021 (Q6)

EK General Dec 2021 (Q5)

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