Q3. Explain in detail how you would isolate one section of a water sprinkler system for routine maintenance. Describe all tests and inspections you would make and how you would return the system to service. (16)
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)
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