Tag: #ekmanagmentwritten

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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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With reference to fuel oil viscosity: (a) Explain why correct fuel oil viscosity is necessary; (2) (b) Describe TWO methods for the measurement of viscosity that are suitable for the inclusion into a pneumatic or electronic control system; (6) (c) State, with reasons, a control action for a viscosity controller. (2) Fuel oil & system…

EK General Oct 2019 (Q1)

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(a) Describe the properties of EACH of the following alloys used in marine engineering, giving a practical example for which EACH are suited: (i) Cupro-nickel; (2) (ii) White metal; (2) (iii) Titanium. (2) (b) Discuss the merits of EACH of the following alloys for use in the casting of large propellers: (i) Nickel aluminum bronze;…

EK General Jul 2019 (Q8)

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With reference to CO₂ gas provided for fire fighting purposes: (a) Describe, with the aid of a sketch, a system for the detection and extinguishment of hold fires; (7) (b) State how the amount of gas to be released into the hold space is estimated. (3) Fire Jul 2019 (Q8)

EK General Jul 2019 (Q7)

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Explain the legal, administrative and technical responsibilities of a Chief Engineer Officer. (10) Duties & watch-keeping Jul 2019 (Q7)

EK General Jul 2019 (Q6)

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