A.不小于0.5m B.不大于0.5m C.不小于0.3m D.不大于0.3m
A.40m B.35m C.25m D.13m
A.50 B.40 C.55 D.60
A.消防泵和備用動(dòng)力啟動(dòng)試驗(yàn) B.泡沫消火栓和閥門要能自由開啟與關(guān)閉,不能有銹蝕 C.壓力表、管道過(guò)濾器、金屬軟管、管道及管件不能有損傷 D.水源及水位指示裝置要正常
A.20m×20m B.18m×18m C.15m×15m D.12m×12m
A.25m B.20m C.15m D.10m
A.1h,難燃 B.0.75h,難燃 C.2h,可燃 D.0.5h,難燃
A.產(chǎn)品存在質(zhì)量問(wèn)題 B.水質(zhì)過(guò)臟,有細(xì)小雜質(zhì)進(jìn)入復(fù)位裝置密封面 C.未按照安裝圖紙進(jìn)行安裝調(diào)試 D.消防用水水質(zhì)存在問(wèn)題,如,有雜物等
A.報(bào)警閥前 B.報(bào)警閥后 C.水流指示前 D.水流指示后
A.1m,2mB.2m,1mC.1m,1mD.2m,2m