A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）. -题库考试答案搜索网

A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.

单选题

2022-01-03 01:30

A、a low velocity spray applicator
B、a water spray or solid stream
C、at least two spray patterns of water
D、at least 25 psi delivered pressure

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正确答案

C

试题解析

标签：燃烧与爆炸

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