Q8. Write a report to the engineering superintendent regarding the failure at sea of a crosshead main engine bottom end bearing. The report must explain how the defect was detected, the immediate action taken to prevent further engine damage, the subsequent action taken to ensure that the vessel was able to continue on passage to the next port, probable cause of the bearing failure and other checks made on the engine. (16)
Q2. (A)Explain action to be taken to ensure that the main engine may be operated in the event of an exhaust gas economiser developing a serious leak which cannot be immediately repaired (6).
(b) Describe how the heat transfer surfaces of economiser are maintained in a clean condition (4)
(c) Explain the action which should be taken in the event of a fire in the economiser. (6)
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