Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 3000 (i.e. 0.3%) 50 500 1000 3000 (i.e. 0.3%) 50 500 1000 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 Chemical coagulation Chlorination Treating in biological oxygen pond None of these Chemical coagulation Chlorination Treating in biological oxygen pond None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Choride Carbonate Sulphate Calcium Choride Carbonate Sulphate Calcium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Limestone powder Bog iron Active carbon Silica gel Limestone powder Bog iron Active carbon Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 10 to 15 0.1 to 1 15 to 20 3 to 6 10 to 15 0.1 to 1 15 to 20 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP