Q13. (a) state the advantages and disadvantages of aluminium alloy in ship building. (4)
(b) Describe, with the aid of sketch, a method of welding aluminium panels. (6)
Q12. With reference to the structure of a large passenger vessel:
(a) describe how the spread of smoke and fire is prevented.
(b) describe the standard fire test for a Class A-60 Division material.
Q13. (a) State FOUR reasons for transverse watertight bulkheads in ship construction. (4)
(b) State the minimum number of transverse watertight bulkheads and their location. (4)
(c) Describe how watertight bulkheads are tested. (2)
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