【单选题】
在设备外部动火作业,分析范围不小于动火点___米。
A. 5
B. 10
C. 20
D. 30
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答案
B
解析
暂无解析
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【单选题】
取样与动火间隔一般不得超过___分钟。
A. 10
B. 30
C. 60
D. 90
【单选题】
动火作业中断时间超过___分钟,应重新取样分析。
A. 10
B. 30
C. 60
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【单选题】
动火作业过程中,二级动火每___小时检测一次。
A. 1
B. 2
C. 5
D. 6
【单选题】
动火作业,当被测气体或蒸气的爆炸下限小于 4%(体积百分数)时,允许浓度应不大于___%。
A. 0.1
B. 0.2
C. 0.4
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【单选题】
受限空间作业空间,氧含量一般为18%~21%,在富氧环境下不应大于___%。
A. 23
B. 23.5
C. 25
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【单选题】
受限空间作业中,至少每___小时监测分析一次。
A. 0.5
B. 1
C. 2
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【单选题】
一般受限空间照明电压应小于等于___V。
A. 12
B. 24
C. 36
D. 48
【单选题】
吊装重物超过___吨时,应办理吊装作业许可证。
A. 4
B. 5
C. 10
D. 40
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临时用电架空电缆的最大弧垂与地面距离,在作业现场不低于___米。
A. 2
B. 2.5
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临时用电电缆埋地深度不应小于___米,穿越道路时应加设防护套管。
A. 0.2
B. 0.5
C. 0.7
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【单选题】
我国规定工作地点噪声容许标准为___分贝。
A. 60
B. 70
C. 85
D. 90
【单选题】
监火人必须是岗位工作___个月以上、熟悉工艺危险因素、熟练掌握应急消防、气防知识的人员担任。
A. 1
B. 2
C. 3
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【单选题】
距作业现场___米内不应排放可燃液体。
A. 10
B. 15
C. 20
D. 30
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吊装质量m≥___t的重物,应编制吊装作业方案。
A. 10
B. 20
C. 30
D. 40
【单选题】
所有《特殊作业许可证》保存期限至少为___年。
A. 半
B. 1
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【单选题】
在氧化A2、A3区的地面动火,周边___米有地沟、污水收集池的必须先用水将地沟进行彻底冲洗然后用防火毯铺盖严实。
A. 10
B. 15
C. 20
D. 30
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防爆型电气设备的总标志是___。
A. MA
B. KY
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下列不易燃烧的试剂是___。
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下列颜色中不是我国规定的安全色的是___。
A. 红
B. 黄
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下列___项不是安全帽基本性能
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踝关节扭伤,为防止皮下出血和组织肿胀,在早期应选用___。
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公共场所安全出口的疏散门应___。
A. 自由开启 
B. 向外开启 
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发生触电事故抢救伤员时,首先应___。
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高温场所为防止中暑,应多饮___。
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如果处于高压电线意外落地的危险区内,下列___种脱离危险区的方法容易发生跨步电压触电。
A. 并拢双足跳
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C. 快步跑出
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精密仪器起火应选用下列哪种灭火器___。
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火灾的种类按燃烧物的性质划分,以下不属于可燃金属的物质是___。
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B. 钠
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下列消防标识中,禁止烟火是___。
A.
B.
C.
D.
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油锅着火时,可向锅内放入___灭火。
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A. 对
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任何人都有参加有组织的消防灭火的义务
A. 对
B. 错
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相对湿度越大,静电越强
A. 对
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【多选题】
Which two correct virtual machine advanced configuration parameters will accomplish this? (Choose two.)___
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【多选题】
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【多选题】
Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___
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【多选题】
Which three storage protocols are supported by Virtual Volumes? (Choose three.)___
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【多选题】
A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___
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【多选题】
Which three operations can cause VMFS metadata updates? (Choose three.)___
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