Daily Safety and Fire Protection Question (12.11)

2016-12-11View Original

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1. Among the following fire extinguishers, which one uses a chemical inhibition mechanism to put out fires? ( ) A. Foam fire extinguisher B. Dry powder fire extinguisher C. Water-based fire extinguisher D. Carbon dioxide fire extinguisher 2. The total length of the conveyor belts in the coal transfer bridge of a thermal power plant is 405 m. When protected by a water spray fire extinguishing system, this coal transfer bridge can be divided into at most ( ) sections for protection purposes. A.5 B.4 C.6 D.7 Answer: B B

Reply #22016-12-11

1. B. Dry powder fire extinguisher 2. B.4

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Daily Safety and Fire Protection Question (12.11)

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