【Daily Question】Utilities - Water Supply and Drainage - 20191229

2019-12-29View Original

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In a gas fire extinguishing system, the extinguishing concentration refers to ( ). A. The minimum mass fraction of the gas extinguishing agent in air required to extinguish a certain fire under an atmospheric pressure of 101 kPa and specified temperature conditions. B. The minimum volume fraction of the gas extinguishing agent in air required to extinguish a certain fire under an atmospheric pressure of 101 kPa and specified temperature conditions. C. The minimum mass fraction of the gas extinguishing agent in air required to extinguish a certain fire under an atmospheric pressure of 101 kPa and 0°C conditions. D. The minimum volume fraction of the gas extinguishing agent in air required to extinguish a certain fire under an atmospheric pressure of 101 kPa and 0°C conditions. Answer: B

Reply #22019-12-29

B. The minimum volume fraction of the gas extinguishing agent in air required to extinguish a certain fire under an atmospheric pressure of 101 kPa and specified temperature conditions

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【Daily Question】Utilities - Water Supply and Drainage - 20191229

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