Article 2, Chapter 5: Fire and Smoke Prevention Zones and Separations 2

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5 At the points where the supply and return air ducts of the central air conditioning system in large shopping malls pass through the partition walls and floor slabs of the machine room, ( ) must be installed as required. A. Fire damper B. Smoke exhaust valve C. Smoke and fire damper D. Fire isolation valve 6. The maximum allowable floor area for a fire compartment in the basement of a high-rise residential building without an automatic fire suppression system is ( )㎡. A.500 B.600 C.1000 D.2000 7 For buildings with a height of less than 100m, vertical pipe shafts should be fire-separated at least every ( ) floors. A.2～4 B.2～3 C.2～5 D.2～6 8 For buildings with a height greater than 100m, vertical pipe shafts should be fire-separated at least ( ). A. Every layer B. Every 2 layers C. Every 3 layers D. Every 4 layers Answer: AABA