【判断题】【消耗次数：1】
二氧化碳灭火系统按应用方式可分为全淹没灭火系统和局部应用灭火系统
①
正确
②
错误
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相关题目
【单选题】
二氧化碳灭火系统按应用方式可分为（）
①
A组合分配灭火系统和单元独立灭火系统
②
B高压系统和低压系统
③
C管网灭火系统和无管网灭火系统
④
D全淹没灭火系统和局部应用灭火系统
【多选题】
局部应用二氧化碳灭火系统的应用条件是（）
①
A在气体喷头与保护对象之间，喷头喷射角范围内不应有遮挡物
②
B当被保护对象为可燃性液体时，液面至容器口的距离不应小于150mm
③
C灭火剂的喷射时间一般不小于0.50min
④
D保护对象周围的空气流速不宜大于3m/s，必要时应采取挡风措施
【判断题】
气体灭火系统采用的是冷却、窒息（稀释氧气）、隔离（去除燃料）和化学抑制方法中的一种或多种方法。一般包括二氧化碳灭火系统、水蒸气灭火系统、氦气灭火系统和烟雾灭火系统、卤代烷灭火系统等
①
正确
②
错误
随机题目
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Lily is a good student except ________ she is a little bit careless.
①
where
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which
③
that
【单选题】
Encouraging the elderly people to participate games is very important.
①
at
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in
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with
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for
【单选题】
Tom won the first prize of oral English contest, which is beyond his ______.
①
reputation
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contribution
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expectation
【单选题】
It is said that ______ 2000 factories closed down during the economic crisis.
①
properly
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approximately
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. considerably
【单选题】
—How do you feel about your family life? — .
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Good. It’s a good choice to work there.
②
Not bad. I think it is a good choice to be a full-time mother.
③
Not bad. I have visited their family a lot of times.
【单选题】
—Linda, what’s wrong with your grandmother?— .
①
She is not retired
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She hurt her leg.
③
She got a new house.
④
she is tired.
【单选题】
Due to the increasing aging population in China, demand the caregivers will continue to rise.
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with
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of
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for
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and