APRIL 2017 MARINE ENGINEERING KNOWLEDGE (GENERAL) TIME ALLOWED - 3 HOURS
Instructions 1. Answer any SIX questions. 2. All questions q uestions carry equal equal marks. 3. Neatness in handwriting and clarity in expression carries weightage 4. Illustration of an answer with clear sketches ? diagrams carries weightage Q1. As second engineer onboard a tanker, describe the procedure for presenting an auxiliary engine for survey by a classif classification ication society. 2017/SR04 Q2. Sketch and describe the operation of four ram electro-hydraulic steering gear system. Indicate and explain the valve position for the operation of the system when one pump is isolated i solated and unit is operating two rams only. 2017/SR04 Q3. Discuss the importance and methods employed in maintaining the quality of lubricating oils in main and auxiliary diesel engines. As second engineer, what strategy you would employ to ensure that the main engine crank case oil quality is ensured. 2017/SR04 Q4. You were asked to join a ship as second engineer. During briefing you were informed about frequent boiler uptake fires happening onboard. prepare a plan for to reduce boiler uptake fires. How will you monitor the progress of your plan and what instruct i nstructions ions you will issue to the watch keepers? 2017/SR04 Q5. Damage has occurred to the main engine exhaust valves and the fuel supplied at a particular port is suspected. The owner’s case/ however, in the ensuing dispute may be weak because the fuel was ordered specifying only type and viscosity. A. Apart from fuel specif specification, ication, describe how you , as Second Engineer, should have assisted the owners’ case when receiving the suspect fuel. B. Describe a recognized fuel standard that may be used when ordering bunker fuel. C. Explain how the correct fuel standard selected. D. Suggest, with reasons, why particular mention should be made of certain element elementss that might not be included in the fuel standard. 2011/SR3
2012/SR6 2016/SR04 2017/SR04
Q6. With reference to oil monitoring of bilge and tanker ballast discharges: Describe with the aid of a sketch, the general arrangements arrangements of an oil monitoring system; B. State the inputs inputs that are recorded; C. Explain the difficulties encountered with the efficient operation of the oil monitoring. 2012/SR3 2015/SR07 2016/SR06 201/SR04 Q7. Sketch a sealing arrangement for an oil lubricated stern tube. A. Identify the common form of seal failure; B. State how oil loss due to seal failure can be restr restricted icted whist on passage; C. What material is used for sealing ring and propeller shaft liner?
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2011/SR3 2010/SR10 2012/SR6 2013/SR1 2017/SR04
2013/SR7 2016/SR02 2016/SR04
2016/SR10
8. A. Explain Creep, Brenelling, Fretting and Fretting corrosion. B. Where and why does Creep, Brenelling, Fretting and Fretting corrosion occur in a ship propulsion system? 2009/SR6 2014/SR10
2008/SR11 2015/SR08
2008/SR6 2017/SR04
2008/SR1
2007/SR2
05-06/EMG
2009/SR12
2012/SR3
2014/SR02
Q9. State with reasons how cracking in EACH of the following location is caused rectified and avoided – 1. A-frame ; 2. Bedplate longitudinal girder; 3. Bed plate transverse girder 2011/SR3 2010/SR10 2013/SR1 2016/SR02 2016/SR04 2016/SR10 2017/SR04
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