Q12. With reference to ship construction:
(a) Explain why conventional liquid carriers are divided by longitudinal bulkheads. (2)
(b) Explain why ore carriers may be fitted with wing tanks (2)
(c) State, other than the carriage of liquids, the purposes of double bottom tanks in dry cargo ships.
(d) State FOUR reasons for transverse watertight bulkheads in ship construction (4)
Q13. (a) Explain why a single propeller and single rudder may not be suitable for large cargo vessels having a wide beam. (3)
(b) Explain the advantages of a twin propeller twin rudder installation in vessels with a large cargo carrying capacity. (7)
13. Explain, with the aid of a mid-ship half sectional sketch of a container ship, how strength is built into this type of vessel whilst still allowing access to the cargo holds. (10)
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