Tag: #ukmmarineengineering

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With reference to steels used in shipbuilding and marine engineering: (a) describe EACH of the following types of failure; (i) brittle failure; (2) (ii) ductile failure. (2) (b) Explain the term ductile to brittle transition stating the factor that determines ductile to brittle transition. (2) (c) Describe a test to determine the value of brittle…

EK Motor Jul 2020 (Q8)

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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 2020 (Q8)

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With reference to fixed machinery space fire fighting systems which use water in the form of fog or mist, explain EACH of the following: (a) how the fire is contained and extinguished; (4) (b) the importance of particle size and flow rate; (4) (c) the routine testing to be carried out. (2) Fire Oct 2020…

EK Motor Jul 2020 (Q7)

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As Chief Engineer, write instructions for the checking of the engine slow turning system and subsequent routine monitoring of the engine slow turning system. The instruction must take account of problem areas which may be linked to the need for slow turning of an engine whilst selected for standby and prior to an actual start.…

EK General Oct 2020 (Q7)

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During bunkering operations, a section of deck bunker line starts leaking fuel oil from a pinhole at the mid section of the pipe. (a) As Chief Engineer Officer, state the immediate actions to be taken to avoid a potential pollution incident; (4) (b) Explain how a permanent repair could be made, stating any precautions to…

EK Motor Jul 2020 (Q6)

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With reference to abnormal and excessive cylinder liner wear: (a) Explain how it may be caused, stating how it is detected; (6) (b) Explain the effects and consequences of excessive cylinder liner wear; (5) (c) Explain how abnormal cylinder liner wear may be prevented. (5) Cylinder liner Jul 2020 (Q6)

EK General Oct 2020 (Q6)

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With reference to a ship’s air conditioning plant: (a) define the term comfort zone; (2) (b) state the objectives of maintaining the conditioned air within the comfort zone, (3) (c) state, with reasons, FIVE areas from which the conditioned air must not be recirculated. (5) Reefer & A/C Oct 2020 (Q6)

EK Motor Jul 2020 (Q5)

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(a) Explain, with the aid of sketches, the gas combustion process in a dual fuel medium speed main engine, operating with pilot injection. (10) (b) Explain what is meant by exhaust gas recirculation and how this may be effective in reducing air pollution. (6) Dual fuel Jul 2020 (Q5)

EK General Oct 2020 (Q5)

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(a) Describe the principle of operation of a biological sewage treatment plant. (4) (b) Explain how anaerobic conditions can occur within a sewage treatment plant, stating the hazards that may be encountered. (4) (c) Explain the meaning and significance of the term biological oxygen demand. (2) Sewage system Oct 2020 (Q5)

EK Motor Jul 2020 (Q4)

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