(a) Explain the 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 immediately be repaired (6) (b) Describe how the heat transfer surface of an 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)
WHRS & Boiler
UKM Tuticorin 
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