【单选题】
高层民用建筑室内消火栓间距应不超过30m___
A. 30m
B. 40m
C. 50m
D. 60m
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答案
A
解析
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当消防主泵未动作时,采用水泵接合器供水,每启动一个水泵接合器一般可以同时启用几个室内消火栓。 ___
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高层工业建筑室内消火栓系统最不利消火栓处充实水柱不得小于___
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高层民用建筑高度在100m以上时,要求消火栓系统最不利消火栓处充实水柱不得小于 ___
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【单选题】
室外地上消火栓主体部分露出地面并涂成___
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低压消火栓的保护半径采用150m___
A. 100m
B. 120m
C. 150m
D. 200m
【单选题】
一般高压消火栓的保护半径为___
A. 50m
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低压消火栓的布置间距不应超过___
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高压消火栓的布置间距不应超过___
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消火栓距路边不应超过___
A. 一米
B. 两米
C. 三米
D. 四米
【单选题】
消火栓距建筑物外墙不宜小于___
A. 2m
B. 3m
C. 4m
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室外消火栓应沿高层建筑均匀布置,距离建筑外墙不宜大于___
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消防轻型安全绳的直径不小于___ mm且不大于12.5mm。
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