Environmental Engineering in CE Ozone is Both B & C A secondary pollutant Impervious to ultra-violet rays A primary pollutant Both B & C A secondary pollutant Impervious to ultra-violet rays A primary pollutant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 4 to 5 6.5 to 8 1 to 1.5 13 to 14 4 to 5 6.5 to 8 1 to 1.5 13 to 14 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of solid wastes Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 1 5 10 20 1 5 10 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Disinfection None of these Sterilisation Aeration Disinfection None of these Sterilisation Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Colloids or aerosols Dust Powder Smoke Colloids or aerosols Dust Powder Smoke ANSWER DOWNLOAD EXAMIANS APP