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Q1. A. State the standing instruction you, as Second Engineer, would issue with respect to the action to be taken in the event of a boiler uptake fire; B. State how the incidence of uptake fires may be minimized; C. State the reasons for blow – back from the furnace of an auxiliary boiler; D. State the standing instruction you, as Second Engineer would issue with respect to the avoidance of boiler furnace blow – back.

Q6. With reference to hydraulic system for deck machinery identify: A. The types of contamination likely to be found in hydraulic systems for deck machinery; B. The sources of such impurities; C. Means used to prevent problems with contamination; D. Possible effects of the oil contamination on the system.

Q3. Sketch and describe a cargo space inert gas system producing washed gas from either a main boiler or from an independent gas generator module. Elaborate the alarms and cut-outs incorporated in the system to prevent any accident.; Explain the various protections for cargo tanks with respect to pressure vacuum build up inside the tanks.

Q4. A. Identify the chief causes of overheating in tunnel bearings and of vibration in main shafting. B. Explain why the seating of the engine room amidships enhances these tendencies. C. State how overheating and vibration may be reduced or eliminated.

Q5. A. Examine in detail three common but entirely different reasons for loss of steering gear systems. B. State how failure is inhibited in the design, operation and maintenance of steering gear systems C. Describe how a vessel may make port upon irreparable failure of the steering telemotor

Q1. You had to discharge to shore 200 tonnes of emulsified and contaminated fuel oil. You had attempted to purify this oil but were unsuccessful. Write a report to your head office explaining the above, how the oil became emulsified and contaminated, and what steps have been taken to prevent a re-occurrence

Q2. Describe in detail each of the following processes and give an example where each is likely to occur in marine engineering: State how in each case the initiation of the process is prevented or minimized. A. Corrosion fatigue; B. Stress corrosion; C. Creeping cracks; D. Casting cracks

Q6. State why the temperature of lubricating oil supplied to an engine needs close control. Sketch and describe an arrangement and explain the principle of operation of instrumentation and control equipment for automatically maintaining the temperature of lubricating oil supplied to an engine at its desired value

Q9. With reference to main refrigeration plant give a reason for each of the following operational irregularities and state how it is dealt with: A. Rapid loss of crankcase lubricating oil in a “vee” block machine; B. Gradual “fall off” in the refrigeration effect over a comparative short period of time; C. Icing up at compressor suction; D. Frequent cutting off of compressor on high pressure.