Q8. Explain how the ingress of sea water is prevented in an oil lubricated stern bearing system. Should the system fail, describe the corrective action possible whilst the vessel is afloat. State why two stern bearing oil header tanks are fitted in some instances?
Q2. A. Describe the procedure to be adopted for the inspection of a safety valve fitted to an exhaust gas fired auxiliary boiler stating, with reasons, which parts should receive particularly close attention.
B. Describe the procedure for the setting of safety valves of exhaust gas operated auxiliary boilers;
C. Explain the required action a watch-keeping engineer should take after the setting of safety valves as in (B)
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