Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Hydrogen sulphide Oxides of sulphur Oxides of nitrogen Carbon monoxide Hydrogen sulphide Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Carbon disulphide Acetaldehyde Toluene Carbon dioxide Carbon disulphide Acetaldehyde Toluene Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Disinfection Taste & odour control Removal of permanent hardness Weed control in reservoirs Disinfection Taste & odour control Removal of permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Ammonia Carbon monoxide Acetylene Hydrogen Ammonia Carbon monoxide Acetylene Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Peroxyacyl nitrate Carbon monoxide Sulphur dioxide Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Very extremely Extremely Highly Moderately Very extremely Extremely Highly Moderately ANSWER DOWNLOAD EXAMIANS APP
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