Author: UKM TUTICORIN

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With reference to turbocharger systems: (a) Describe how performance of the system is monitored and how the information gathered is used to assess performance. (8) (b) Describe the arrangements for maintaining the system in good condition (8) WHRS & Boiler Jul 2019 (Q1)

EK General Dec 2019 (Q2)

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(a) Describe, with the aid of a sketch, the principle of operation of a modern shaft torsion meter. (8) (b) Explain why it is important in terms of hull efficiency to measure and compare shaft torque and speed. (2) Propeller, shafting & thrusters Dec 2019 (Q2)

EK General Dec 2019 (Q1)

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(a) State THREE modes of heat transfer. (1) (b) Describe how the design requirements of EACH of the following are met, detailing the materials used to promote or retard heat transfer (i) Plate cooler in central cooling system; (3) (ii) Meat room in domestic provisions space; (3) (iii) Auxiliary steam system pipelines. (3) Heat exchanger…

EK General Oct 2019 (Q8)

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Accidents have occurred due to premature or accidental release of CO₂ into the machinery spaces. (a) State the safety procedures that the Chief Engineer Officer should adopt with respect to maintenance being carried out on the system by shore contractors. (3) (b) Explain why the Chief Engineer and ships staff should still have to check…

EK General Oct 2019 (Q7)

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With reference to the lubrication of refrigeration compressors: (a) State the advantage of using fully synthetic oils; (2) (b) Explain why oil may be carried over from the compressor; (3) (c) Describe a device which returns oil from the compressor discharge to the compressor sump; (3) (d) State TWO reasons why an accumulation of oil…

EK General Oct 2019 (Q6)

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With reference to tunnel type bow thrusters: (a) Explain why some vessels are fitted with more than one bow thruster; (2) (b) Discuss the options available in terms of prime mover and transmission systems. (8) Propeller, shafting & thrusters Oct 2019 (Q6)

EK General Oct 2019 (Q5)

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With reference to centrifugal pumps: (a) Explain the operating principle of a centrifugal pump and state why it is unnecessary to fit a relief valve to it; (2) (b) Explain why some pumps have a double entry impeller; (2) (c) Describe a routine overhaul of a centrifugal pump, stating the inspections, measurements and possible replacement…

EK General Oct 2019 (Q4)

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Describe, with the aid of a sketch, the principle of operation of a static oily water separator that utilizes a separating matrix and polishing pack. (10) Bilge, OWS & ORB Oct 2019 (Q4)

EK General Oct 2019 (Q3)

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With reference to stern tube bearings: (a) Explain why white metal lined bearings are susceptible to failure; (5) (b) Outline the merits of non metallic bearings. (5) Propeller, shafting & thrusters Oct 2019 (Q3)

EK General Oct 2019 (Q2)

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