Tag: #ekmanagmentwritten

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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 Mar 2018 (Q2)

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State what charge air system parameters must be monitored, explaining how data gathered from charge air system instrumentation is used to determine the operational performance of EACH of the following system parts: (a) The suction air filter (4) (b) The turbocharger compressor (4) (c) The turbocharger turbine (4) (d) The charge air cooler (4) Mar…

EK Motor Mar 2018 (Q1)

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With reference to diesel engine NOx emissions and control: (a) Explain how exhaust gas recirculation and direct water injection reduce engine NOx emissions but result in increased specific CO2 emissions (6) (b) Describe, with the aid of a sketch, a Selective Catalytic Reduction system, stating with reasons, the monitoring and control system (10) Mar 2018…

EK General Jul 2018 (Q8)

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As Chief Engineer Officer, write a report to the Superintendent Engineer naming the items and describing the examinations that were carried out during a safety equipment survey with regard to fire safety. (10) Fire Jul 2018 (Q8)

EK General Jul 2018 (Q7)

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With reference to air receivers: (a) explain why air receivers are prone to corrosion; (3) (b) state how corrosion can be prevented; (3) (c) if significant corrosion is detected during a regular inspection explain how the air receiver may still be safely used in service until a permanent repair can be affected. (4) Materials Jul…

EK General Jul 2018 (Q6)

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With reference to refrigeration systems: (a) Explain why undercooling of the refrigerant at the condenser outlet is desirable; (3) (b) Describe, with the aid of a sketch, how a heat exchanger could be incorporated in the circuit to enhance undercooling (5) (c) Explain the possible consequences of the refrigerant having a dryness fraction at the…

EK Motor Dec 2017 (Q9)

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With reference to diesel engine SOx exhaust gas cleaning and pollution control; (a) State, with reasons, which system parameters are monitored, explaining where the monitoring devices are located, how the data is stored and how data is made available to regulating authorities (10) (b) State how pollution of sea water can be caused by the…

EK General Jul 2018 (Q5)

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(a) Sketch the hydraulic circuit for a ram type steering gear that complies with the single failure concept and automatic isolation. (6) (b) Describe how automatic isolation, for the hydraulic circuit sketched in part (a), is achieved within 45 seconds should leakage of system oil occur. (4) Steering & stabilizers Jul 2018 (Q5)

EK Motor Dec 2017 (Q8)

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(a) Write the chief engineer officers standing instructions for the actions to be taken by the watch keeping engineer in the event of failure of the engine room monitoring and alarm system (8) (b) State the procedure to be followed in the event of repeated activation of an oil mist fault alarm (8) Control system,Crankcase…

EK General Jul 2018 (Q4)

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