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. Explain the methods adopted in modern shipbuilding practice to prevent hull fractures due to corrosion fatigue, making reference to the sequence of assembly of the plating and welding and the subsequent protection on completion of construction. (10)
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