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Q4. i) State the means provided for cutting off air supply to contain or extinguish fire in engine room through ventilation ducts. (4)

ii) Show an arrangement as to how remote shutting off of engine room fan dampers is possible. (8)

iii) What are funnel dampers? Why are they provided? Explain mode of operation in of engine room fire. (8)

Q7. Write short notes on following:

i) Fire hoses. (5)

ii) Nozzles for firefighting. (5)

iii) Fire hydrants. (5)

iv) International shore coupling. (5)