Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Pathogenic Non-pathogenic Anaerobic Aerobic Pathogenic Non-pathogenic Anaerobic Aerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Treating in biological oxygen pond Chemical coagulation None of these Chlorination Treating in biological oxygen pond Chemical coagulation None of these Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Hydrogen sulphides Nitrogen dioxide Hydrocarbons Hydrogen flouride Hydrogen sulphides Nitrogen dioxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 43961 43832 25-30 15-20 43961 43832 25-30 15-20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Fading of dye on textiles Cracking of rubber products Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Fading of dye on textiles Cracking of rubber products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. None of these Disinfection Aeration Sterilisation None of these Disinfection Aeration Sterilisation ANSWER DOWNLOAD EXAMIANS APP
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