Q13.With reference to structural fire protection in passenger ship accommodation spaces:
(a) define the meaning of Class A bulkheads, stating the requirements; (4)
(b) explain how the integrity of the bulkhead is retained with respect to ventilation trunkings, where A Class bulkhead have to be penetrated. (2)
(c) discuss the design of ventilation systems with respect to location and isolation of air conditioning units, supply and exhaust fans, to prevent the spread of smoke and fire. (4)
Q8. As Chief Engineer Officer, describe the examinations that were carried out during a safety equipment survey with regard to fire safety. (10)
Q8. Accidents have occurred due to premature or accidental release of CO2 into the machinery spaces.
(a) State the safety procedures that the Chief Engineer Officer should adopt with respect to maintenance being carried out on the system by shore contractors. (3)
(b) Explain why the Chief Engineer and ships staff should still have to check on work carried out by shore contractors. (2)
(c) State how the liquid levels in the CO2 bottles may be checked in situ and how often this test should be carried out. (2)
(d) Explain why ship's general service air should not be used for blowing through and testing CO2 operating lines and suggest a suitable alternative. (3)
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