Author: UKM TUTICORIN

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With reference to medium speed diesel engine cylinder liners: (a) Explain the cause and effects of liner polishing or glazing; (6) (b) Explain the action of an anti-polishing ring during the operation of the engine; (5) (c) Describe how effective cylinder lubrication is achieved. (5) Cylinder liner Jul 2017 (Q9)

EK Motor Jul 2017 (Q8)

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Write a report to the engineering superintendent regarding the failure at sea of a crosshead main engine bottom end bearing. The report must explain how the defect was detected, the immediate action taken to prevent further engine damage, the subsequent action taken to ensure that the vessel was able to continue on passage to the…

EK General Oct 2017 (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) Explain the advances of using electrically driven machinery over hydraulically driven winches and windlasses (5) Deck machinery Oct…

EK General Oct 2017 (Q6)

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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 systems for shipboard production of fresh water (3) (b) State the maintenance and treatment recommended for fresh water tanks (3) (c) Describe how the entire fresh water system can be made free…

EK Motor Jul 2017 (Q7)

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(a) Describe, with the aid of sketch, the arrangement of the gas and liquid fuel systems at the cylinder of a dual fuel 4-stroke engine, stating the input and output signals at the controller (12) (b) Describe the arrangement of the gas fuel piping system used for a 4-stroke dual fuel engine, stating the safety…

EK Motor Jul 2017 (Q6)

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With reference to two stroke, slow speed engine pistons: (a) Explain what is meant by the term thermal stress and how this can cause cracking of crown surface (4) (b) Sketch a cross-section of a piston, labeling the main components and indicating coolant flow (8) (c) State a cause of EACH of the following defects…

EK General Oct 2017 (Q5)

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(a) Describe TWO system of priming centrifugal pumps (6) (b) List the advantages of EACH of the priming methods described in part (a) (4) Pumps & system Oct 2017 (Q5)

EK Motor Jul 2017 (Q5)

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(a) Describe, with the aid of sketches, the procedure for lifting a cylinder cover from a slow speed crosshead engine, explaining how the lifting gear is attached to the cover (6) (b) State the risks that may be associated with lifting a cylinder cover using the procedure described in part (a) (c) Describe the arrangement…

EK General Oct 2017 (Q4)

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Describe, with the aid of a sketch, a Membrane Bioreactor type sewage treatment plant (10) Sewage system Oct 2017 (Q4)

EK Motor Jul 2017 (Q4)

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