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Q2.A. Explain how analysis of used lubricating oil can be used as a “health-monitoring” tool for diesel engines.

B. Describe how vibration measurement can be used with a main engine turbo-charger:

i. For fault analysis;

ii. For condition monitoring with respect to maintenance;

iii. As a substitute to opening up machinery for survey.

Q7. Compare the destructive testing done on engineering materials with non-destructive testing done on engineering components. Briefly describe one destructive test and two non-destructive tests to illustrate your answer

Q3. a) State the advantages of using steam turbine propulsion power for vessels carrying L.N.G. cargo. (8)

b) With regard to the use of L.N.G. cargo as boiler fuel explain: (8)

(i) The safety precautions relating to the gas pipeline supplying the boiler and burning the gas in the boiler.

(ii) The means of getting rid of “excess gases” during loading or discharge.

Q4. A. Draw a block diagram for a fully automated accommodation air conditioning unit, labelling the component parts and indicating the directions of air flow. (8)

B. Explain why the unit includes means of dehumidification and humidification. (4)

C. A chart is used for ensuring that the accommodation conditions are within the so-called Comfort Zone: what useful information does the chart give? (

Q5. A. Explain the ideal design requirements of a ship’s propeller. (8)

B. Briefly describe the propeller maintenance that should be carried out to prevent the fuel being wasted. (8)