Q8. (a) Describe, with the aid of a sketch, a freeing-port. (8)
(b) Explain how freeing-ports assist in maintaining the stability of a ship. (8)
Q9. (a) Sketch and describe EACH of the following ship construction features:
(i) Plate floor (6)
(ii) Watertight bulkhead (6)
(b) Explain how watertight bulkhead integrity may be tested (4)
Q9. Explain the meaning and purpose of EACH of the following ship terms:
(a) Transverse watertight bulkhead (4)
(b) Bilge keel (4)
(c) Shear strake (4)
(d) Cofferdam (4)
(a) Hawse pipe. (4)
(b) Chain Stopper. (4)
(c) Fairlead. (4)
(d) Bollard. (4)
Q9. With reference to the cross-sectional view of a typical construction shown in the diagram below:
(a) Identify EACH of the parts of the vessel annotated A-H (8)
(b) Explain what is meant by the term racking in relation to the ships structure and how this may be reduced by design (4)
(c) State the purpose of double bottoms in the vessels structure. (4)
(a) Bilge keel (4)
(b) Freeing port (4)
(c) Longitudinal (4)
(d) Frame (4)
Q8. With reference to the accumulation of water on the open decks of ships:
(a) Explain the importance of ensuring that there is no accumulation of water (6)
(b) Explain, with the aid of sketches, how it is prevented. (10)
Q9. Describe, with the aid of a sketch, the structural features of the bow which impart structural strength. (16)
(a) Keеl. (4)
(b) Beam. (structural member) (4)
(c) Girder. (4)
(d) Frame. (4)
Q9. With reference to forward collision bulkheads:
(a) Describe their construction (8)
(b) State their function (4)
(c) State their position, giving a reason for this positioning (4)
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.
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