Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 3000 (i.e. 0.3%) 500 1000 50 3000 (i.e. 0.3%) 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere Ionosphere None of these Troposphere Stratosphere Ionosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Skimming off Settling out using chemical reagents Chlorination Biological oxidation Skimming off Settling out using chemical reagents Chlorination Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Disinfection Taste & odour control Weed control in reservoirs Removal of permanent hardness Disinfection Taste & odour control Weed control in reservoirs Removal of permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Lagoon Skimming mill Cesspool Septic tank Lagoon Skimming mill Cesspool Septic tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Extremely Moderately Very extremely Highly Extremely Moderately Very extremely ANSWER DOWNLOAD EXAMIANS APP
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