Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 20 7 3 1 20 7 3 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following fine dust removal equipments is the most efficient? Electrostatic precipitator Cyclone separator Bag filter Scrubber Electrostatic precipitator Cyclone separator Bag filter Scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Neither A nor B Both A & B Reynold stresses Shear forces Neither A nor B Both A & B Reynold stresses Shear forces ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Chlorine Coagulation Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light Cation exchanger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Grey Red Dark brown Black Grey Red Dark brown Black ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Imhoff tank Lagoon Oxidation Skimming tank Imhoff tank Lagoon Oxidation Skimming tank ANSWER DOWNLOAD EXAMIANS APP