Tag: #ukmmarineengineering

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With reference to hydraulic deck machinery and cargo handling systems: (a) State FOUR possible type of contamination of the oil, describing how the contamination may have occurred (4) (b) State FOUR possible effects of oil contamination in the system (4) (c) State how the system oil may be monitored for contamination (2) Deck machinery Oct…

EK General Oct 2021 (Q6)

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With reference to ship’s air conditioning plants: (a) State the temperature and relative humidities at EACH of the points that are regarded as the boundaries of the comfort zone (2) (b) Explain how the temperatures and relative humidities could be maintained within the comfort zone when the ship is in EACH of the following locations…

EK General Oct 2021 (Q5)

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(a) Sketch a rotary vane steering and hydraulic circuit showing 2 X 50% units and the directional control valve (6) (b) Describe how the system in part (a) can still operate should an oil leak occur (2) (c) State the advantage of rotary vane compared to four ram steering gear (2) Steering & stabilizers Oct…

EK General Oct 2021 (Q4)

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Describe in detail the operation, maintenance and monitoring of a bilge water processing unit to ensure compliance with the current MARPOL convention on the discharge of oily bilge water (10) Bilge, OWS & ORB Oct 2021 (Q4)

EK General Oct 2021 (Q3)

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Describe with the aid of a sketch, the principle of operation of a radial lip stern tube sealing arrangement for an oil filled stern tube, which incorporates an air space and is designed to prevent pollution (10) Propeller, shafting & thrusters Oct 2021 (Q3)

EK General Oct 2021 (Q2)

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With reference to pneumatically operated control valves: (a) State FOUR reasons for fitting a valve positioner (4) (b) Explain valve hysteresis, stating how it affects the process (2) (c) State the immediate action to be taken to restore control upon failure of the positioner bellows (2) (d) State the difference between fail safe and fail…

EK General Oct 2021 (Q1)

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Explain the effects of the addition of EACH of the following alloying elements to improve the characteristics of steels: (a) Chromium (2) (b) Manganese (2) (c) Molybdenum (2) (d) Nickel (2) (e) Vanadium (2) Materials Oct 2021 (Q1)

EK Motor Aug 2020 (Q9)

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in EK Motor

(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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