题目内容
(请给出正确答案)
[单选题]
危险临界浓度是指达到此质量浓度时对生命和健康会产生不可逆转的或延迟性的影响。硫化氢的危险临界浓度为()
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.150mg/m3(100ppm)
D.1500mg/m3(1000ppm)
答案
C、150mg/m3(100ppm)
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.150mg/m3(100ppm)
D.1500mg/m3(1000ppm)
C、150mg/m3(100ppm)
第2题
A.15mg/m3
B.20mg/m3
C.30mg/m3
D.100mg/m3
E.150mg/m3
第6题
A.会对生命和健康会产生不可逆转的或延迟性的影响
B.H2S的危险临界浓度为100ppm
C.H2S的危险临界浓度为150ppm
D.为硫化氢检测的三级报警值
第9题
A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.75mg/m3(50ppm)
D.150mg/m3(100ppm)
第11题