1) What is H2S a) A Chemical Compound a chemical compound with the formula H2S. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, flammable, is a strong odor like a rotten eggs. b) A gaseous air pollutant composed of sulfur and oxygen. SO2 forms when sulfur-containing fuel such as coal c) A clean alternative to methane, also known as natural gas 2) Identify physical & chemical characteristic of H2S a) Highly Toxic b) Highly Corrosive c) Visible Odor 3) Acceptable Exposure limit of H2S a) Below 1 -10 PPM / 8 TWA b) Below 10-15 PPM / 8 TWA c) Above15 -20PPM / 8 TWA 4) What are the method for detecting H2S in atmosphere a) Portable H2S detector b) oxygen analyzer c) hemical reaction dragger tubes 5) Affect of H2S vary according which of the following a) Duration of exposure b) Intensity of exposure c) Frequency of Exposure d) All of the above

H2S

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?