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Q9. a) Describe with the aid of a simple labelled sketch the important features of a reduction gearbox suitable for installation with medium speed engines. (6)

b) State the materials used for gears and briefly explain how the gears are manufactured (5)

(c) As Second Engineer describe how you would conduct an inspection of the gearing and at the

same time give instruction to a cadet on the type of damage most likely to be found. (5)