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Q7. With respect to a marine diesel engine:
a) What are the different types of lubrication system that you would see on the main and auxiliary machineries? (8)
b) What are the desirable qualities for the lubricating oil selected for each of the following duties: (8)
i) Auxiliary diesel engine
ii) Stern tube bearings
iii) Refrigeration system
iv) turbocharger
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