Tag: #ekmanagmentwritten

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(a) Describe, with the aid of a sketch, the water/ steam circulation system for the waste heat recovery system (5) (b) Explain how economiser circulation pumps are maintained in a cool condition to allow for prolonged operation without problem (3) (c) Describe how a waste heat recovery system steam pressure is maintained and the system…

EK General Jul 2021 (Q8)

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Describe the inspection and test that should be carried to ensure satisfactory condition and operation of the ship’s fire fighting equipment (10) Fire Jul 2021 (Q8)

EK General Jul 2021 (Q7)

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(a) Explain the principles of osmosis and reverse osmosis (4) (b) Describe how reverse osmosis is used for the production of fresh water onboard ship (4) (c) State the limitation of the quality of the permeate in a single pass reverse osmosis system, describing how the quality of the permeate could be improved (2) Cooling…

EK Motor Aug 2020 (Q8)

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(a) Describe the sequence of events that may lead to a crankcase explosion (6) (b) Describe an oil mist detector, explaining how it operates (8) (c) Describe how an oil mist detector operation is checked for accuracy (2) Crankcase explosion & OMD Aug 2020 (Q8)

EK Motor Aug 2020 (Q7)

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(a) Describe, with the aid of a sketch, a main engine fresh water cooling water system, incorporating HT and LT system (10) (b) Describe the charge air supply system for a turbocharged engine, explaining the purpose of each main part. (6) Cooling system & FWG Aug 2020 (Q7)

EK General Jul 2021 (Q6)

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Describe with the aid of a block diagram, a compensated control system for an active fin stabilization unit (10) Steering & stabilizers Jul 2021 (Q6)

EK Motor Aug 2020 (Q6)

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(a) Describe, with the aid of a sketch, a diesel engine air start system and the devices which are fitted to prevent or limit damage in the event of an explosion (8) (b) Explain how an explosion in a diesel engine air start system might occur (4) (c) As Chief Engineer Officer, Outline the actions…

EK General Jul 2021 (Q5)

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With reference to centrifugal pumps (a) State the operating principle of a centrifugal pump and why it is unnecessary to fit a relief valve to it (2) (b) State TWO impeller types, explaining which type of application EACH would be best suited for (4) (c) Explain why cavitation occurs and how it is reduced by…

EK General Jul 2021 (Q4)

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(a) Explain how power is transmitted through main shafting (2) (b) State FOUR operational factors that may induce high stress in coupling bolts (4) (c) Sketch a coupling bolt for improved design (4) Propeller, shafting & thrusters Jul 2021 (Q4)

EK Motor Aug 2020 (Q5)

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