Category: EK Motor

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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 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 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 Motor Dec 2017 (Q6)

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With reference to crankcase lubricating oil: (a) Describe the causes and effect of bacterial attack (6) (b) Explain how bacterial attack may be detected (4) (c) Describe how a crankcase lubricating oil system may be returned to service following bacterial attack (6) Lubricating oil & system Dec 2017 (Q6)

EK Motor Dec 2017 (Q7)

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With reference to slow speed diesel engine turbocharging: (a) Explain why water separators are fitted (4) (b) Describe how an engine may be operated in the event of a charge air cooler being damaged beyond immediate repair (6) (c) Describe how an engine may be operated in the event of a turbocharger bearing failure which…

EK Motor Dec 2017 (Q5)

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(a) Describe, with the aid of a sketch, a diesel engine air start system and the devices which are fitted to prevent or limit damage in the event of an explosion (8) (b) Explain how an explosion in a diesel engine air start system might occur (4) (c) As Chief Engineer Officer, Outline the actions…

EK Motor Dec 2017 (Q4)

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With reference to diesel engine starting air systems: (a) write instructions for the checking of the starting air system in order to determine the reason for an engine failing to turn over when the starting air system is activated (6) (b) Describe the procedure for checking and preparing a starting air receiver for survey (6)…

EK Motor Dec 2017 (Q3)

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With reference to failure of fuel injector nozzle due to burning: (a) State, with reason, THREE possible causes (6) (b) Write a procedure to be used when investigating the cause of fuel injector nozzle burning (6) (c) Describe a system which should be operated in order to minimize the risk of future fuel injector nozzle…

EK Motor Dec 2017 (Q2)

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