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中级消防设施操作员习题集(判断题)判断题1.灭火器按驱动灭火器的压力型式可分为贮压式灭火器和贮气瓶式灭火器。()2.灭火器铭牌必须印刷在筒体上。()3.推车式灭火器的标志可采用刻蚀金属铭牌或箍带、或压敏铭牌的形式系(或贴)在推车式灭火器的简体上。()4.推车式水基型灭火器的有效喷射时间不应小于40s,且不应大于210s。()5.除水基型外的具有扑灭A类火能力的推车式灭火器的有效喷射时间不应小于20s。()6.除水基型外的不具有扑灭A类火能力的推车式灭火器的有效喷射时间不应小于30s。()7.灭火级别是3A时,灭A类火的灭火器在20℃时的最小有效喷射距离是3.5m。()8.灭火级别是5A时,灭A...
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