Question: 1.Use a block diagram to indicate a control panel for fire alarm system. Indicate all input and output devices. What is the function of the

1.Use a block diagram to indicate a control panel for fire alarm system. Indicate all input and output devices. What is the function of the main control panel? II. A crude refinery plant is to be constructed to process 250000 barrels of crude oil per day. The total floor area of the plant for installation of desalter, furnace, CDU and auxiliary equipment is 500 m2. Preliminary assessment indicates that dry chemical is one of the appropriates fire fighting agents for fire hazards in the plant. If 6kg ABC portable dry chemical (rated 7A 60B) is available in market. 1. Justify if 7A 60 BC is an appropriate rated portable extinguisher for the plant risk 2. Determine the number of extinguishers for the area. Hint: Class A rating: 0.065 x floor area (m2) 3. Suggest an appropriate place for installation of each 6kg ABC dry chemical 4. suggest a travel distance to an extinguisher 5. For installation of the extinguishers what is the recommended distance from the top of an extinguisher to the ground 6. Suggest a colour code for an extinguisher station

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