Category: EK GENERAL

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As Chief Engineer Officer, describe the examinations that would be carried out during a safety equipment survey with regard to fire safety. (10) 10 marks Dec 2024, Dec 2021, Dec 2018 Fire Dec 2024 (Q8)

EK General Dec 2024 (Q7)

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With reference to ships air conditioning plants: (a) State the temperatures 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 Dec 2024 (Q6)

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(a) Sketch a rotary vane steering and hydraulic circuit showing 2 x 50% units and the directional control valves. (6) (b) Describe how the system in part (a) can still operate should an oil leak occur. (2) (c) State the advantages of rotary vane compared to four ram steering gear. (2) 10 marks Dec 2024,…

EK General Dec 2024 (Q5)

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With reference to centrifugal pumps and pumping systems: (a) Explain the principle of operation of a centrifugal pump; (4) (b) Define net positive suction head available (NPSHa); (2) (c) State the effects of temperature on NPSHa; (2) (d) Describe how the effects of temperature can be overcome. (2) 10 marks Dec 2024 Pumps & system…

EK General Dec 2024 (Q4)

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With reference to mycobacterial infestation: (a) List the engine room systems that may be affected by this type of contamination; (2) (b) Explain the conditions required for bacteria to evolve; (6) (c) Describe how the presence of microbial contamination could be detected. (2) 10 marks Dec 2024, Dec 2021, Dec 2018 Lubricating oil & system…

EK General Dec 2024 (Q3)

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With reference to oil filled stern tubes: Describe, with the aid of a sketch, the principle of operation of a combination seal, which incorporates a wrapped bellows radial face seal and a lip seal. (10) 10 marks Dec 2024, Mar 2024, Aug 2020 Propeller, shafting & thrusters Dec 2024 (Q3)

EK General Dec 2024 (Q2)

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(a) Sketch an annotated block diagram of a closed loop control circuit. (5) (b) Describe how the control loop sketched in Q(a) operates. (5) 10 marks Dec 2024, Mar 2021 Instrumentation & control Dec 2024 (Q2)

EK General Dec 2024 (Q1)

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(a) Describe, with the aid of sketches, how the test pieces for a Class 1 pressure vessel are obtained. (6) (b) List the tests which are carried out on the test pieces described in Q(a). (4) 10 marks Dec 2024, Jul 2019 Materials Dec 2024 (Q1)

EK General Oct 2024 (Q8)

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(a) With reference to bunkering fuel oil, list the information to be supplied to the port authorities prior to commencement of bunker operations. (5) (b) With reference to the tank being filled, state the factors that govern the bunker loading rate. (4) (c) State a possible effect of a high bunker loading rate. (1) 10…

EK General Oct 2024 (Q7)

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