Category: EK Motor

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(a) Describe with the aid of a sketch, a system for burning gaseous fuel in a two stroke diesel engine, indicating safety features fitted and explaining why the gas has to be injected into the cylinder rather than mixed with the combustion air outside of the cylinders (12) (b) Define the term Methane slip, explaining…

EK Motor Oct 2017 (Q9)

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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 Oct 2017 (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 Motor Oct 2017 (Q7)

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With reference to main engine safety systems: (a) state, with reason, THREE engine operating parameters which should initiate an automatic slow down if engine operation is outside of set value conditions (6) (b) describe how the operation of each slowdown listed in part (a) must be tested (6) (c) list two engine operating parameters which…

EK Motor Oct 2017 (Q5)

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(a) Explain how the build up of residue in the scavenge space of a large slow speed two stroke engine is minimized by design, operation and maintenance (10) (b) Explain the possible damage which could be caused by a scavenge fire (6) Scavenging & Turbocharger Oct 2017 (Q5)

EK Motor Oct 2017 (Q6)

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Write instructions for the action to be taken by a duty engineer following activation of a slow speed main engine exhaust gas differential temperature alarm during a period of unmanned machinery operation. The instruction must cover the period from activation of the alarm to return of the main engine to normal operation (16) Cylinder head…

EK Motor Oct 2017 (Q4)

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(a) Describe, with the aid of a sketch, a system for burning of gaseous fuel in a two-stroke diesel engine, indicating the safety features fitted and explaining why the gas has to be injected into the cylinder rather than mixed with the combustion air outside of the cylinders (12) (b) Define the term methane slip,…

EK Motor Oct 2017 (Q3)

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The Chief Engineer officer writes a report to the engineering superintendent regarding the failure of a high pressure fuel pump unit on an electronically controlled engine. The report must explain the nature of the failure, how the failure was detected and the immediate action taken. The report must also explain the actions taken to replace…

EK Motor Oct 2017 (Q2)

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(a) Explain the action to be taken to ensure that the main engine may be operated in the event of an exhaust gas economiser developing a serious leak which cannot immediately be repaired (6) (b) Describe how the heat transfer surface of an economiser are maintained in a clean condition (4) (c) Explain the action…

EK Motor Oct 2017 (Q1)

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