Q7. With reference to electrical motors:
(a) State the routine maintenance that is necessary (8)
(b) Describe the tests carried out to prove good electrical condition. (8)
Q8. With reference to lubricating oil or fuel oil tanks that have ventilators on the vessels main weather deck, explain EACH of the following:
(a) The purpose of the ventilation. (4)
(b) How ingress of sea water in bad weather is prevented (4)
(c) How the risk of fire entering the ventilator is reduced (4)
(d) How the risk of pollution is reduced. (4)
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