Tag: #ekmanagmentwritten

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(a) With reference to bilge keels (i) Describe how the design and method of attachment reduces the possibility of damage to the shell plate (5) (ii) State what testing must be carried out (2) (b) Explain why the bilge keels do not extend the full length of the vessel (3) Mar 2017 (Q14)

EK Naval Mar 2017 (Q13)

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in EK NAVAL

Describe, with the aid of sketches, how main propulsion efficiency can be improved by the addition of EACH of the following (a) Ducted propeller (Kort nozzle) (5) (b) Vane or Grim wheel aft of the propeller (5) Mar 2017 (Q13)

EK Naval Mar 2017 (Q12)

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in EK NAVAL

Describe the in-water survey to classification society requirements of the underwater structure of a large carrier (10) Mar 2017 (Q12)

EK Motor Oct 2022 (Q4)

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in EK Motor

(a) Describe, with the aid of a sketch, a cylinder arrangement for a dual fuel 2-stroke engine, explaining how the gaseous fuel is delivered to the cylinder and ignited. (12) (b) Explain the term Methane Slip in reference to a dual fuel engine, stating why it occurs and the effect on the atmosphere. (4) Dual…

EK Electrical Jul 2020 (Q11)

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With reference to electrical system protective devices, explain the purpose of EACH of the following: (a) Overcurrent protection; (2) (b) Short circuit protection; (2) (c) No-volt protection; (2) (d) Reverse power protection; (2) (e) Preferential tripping. (2) Jul 2020 (Q11)

EK Electrical Jul 2020 (Q10)

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With reference to star delta starters used for three phase induction motors: (a) Explain in detail why this type of starter is employed; (4) (b) Explain, with the aid of a circuit diagram, the sequence of operation of a star delta starter. (6) AC Starters Jul 2020 (Q10)

EK Motor Oct 2022 (Q3)

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in EK Motor

With reference to failure of fuel injector nozzles due to burning: (a) state, with reasons, THREE possible causes; (6) (b) write a procedure to be used when investigating the cause of fuel injector nozzle burning; (6) (c) describe a maintenance system which should be operated in order to minimize the risk of future fuel injector…

EK Motor Oct 2022 (Q2)

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in EK Motor

(a) Explain, with the aid of a sketch, Thermal Stress, stating how thermal stress is induced in the cylinder liner when the engine is operating. (8) (b) Explain why thermal stress may be damaging to an engine cylinder. (4) (c) Explain how thermal stress may be avoided in an operating engine without reducing engine power…

EK Electrical Jul 2020 (Q9)

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Describe, with the aid of a block diagram, how automatic starting, load sharing and stopping of generators in response to load changes is effected. (10) Generator & circuit protection Jul 2020 (Q9)

EK Electrical Dec 2019 (Q11)

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