中级消防设施操作员习题集(选择题)
中级消防设施操作员习题集(选择题)选择题(四选一)1.灭火器的标志包括:产品铭牌、产品合格证、()、维修合格证。(A)灭火级别(B)操作说明(C)消防产品身份认可标识(D)使用温度范围2.A类火灾的种类代码符号是()。3.B类火灾的种类代码符号是()。4.天火器的喷射性能包括:最小有效喷射时间()。(A)密封性能(B)结构强度(C)最小有效喷射距离(D)灭火性能5.2L~3L水基型灭火器在20℃时的最小有效喷射时间是()。(A)15s(B)30s(C)40s(D)60s6.>3L~6L水基型灭火器在20℃时的最小有效喷射时间是()。(A)15s(B)30s(C)40s(D)60s7.大于6L的...
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