Q12. With reference to large fixed bladed propellers:
(a) describe, with the aid of a sketch, EACH of the following:
(i) the effect of hull fouling; (3)
(ii) operation in clean hull, ballast condition. (3)
(b) explain why fitting a light propeller may be beneficial. (4)
Q13. With reference to large bulk carriers:
(a) sketch a cross section of a bulk carrier through the mid-ship; (5)
(b) explain the design features that have evolved to minimise the possibility of failure. (5)
Q14.With reference to drydocking a vessel:
(a) state the pre-docking information that should be given to the drydock authority; (5)
(b) list the items to be inspected once the dock is empty. (5)
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