Article 2: Building Fire Protection, Chapter 4: General Layout and Plan Layout 2

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6 Under normal circumstances, the fire separation distance between the ethanol purification plant and fixed welding points should not be less than ( ) meters. A.15B.20C.25D.307 Under normal circumstances, the fire separation distance between wooden structure residential buildings and brick-concrete structure residential buildings should not be less than （ ） m. A.6B.7C.8D.98 Unless otherwise specified in the codes, the fire separation distance between Class A factories and areas where open flames or sparks are present should not be less than ( ) m. A.20 B.30 C.40 D.50 When the higher outer wall of two adjacent high-rise civil buildings is a fire wall, their fire separation distance is ( ). A. It should not be less than 4m. B. It should not be less than 3.5m. C. It should not be less than 2m. D. There is no limit. The fire separation distance between storage areas for Class 1 items and important public buildings should not be less than ( ) m. A.25B.30C.50D.80 Answer: DDBDC