Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Alkalis Alkyl benzene sulphonate (ABS) Chlorine Benzene hexachloride Alkalis Alkyl benzene sulphonate (ABS) Chlorine Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Burning of domestic fuel Photochemical reaction in polluted atmosphere Industrial chimney exhaust Automobiles exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere Industrial chimney exhaust Automobiles exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Mists Fumes Smoke Aerosols Mists Fumes Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Parasitic Anaerobic Saphrophytic Aerobic Parasitic Anaerobic Saphrophytic Aerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Mesosphere Thermosphere Trophosphere Stratosphere Mesosphere Thermosphere Trophosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Anerobic None of these Saprophytic Parasitic Anerobic None of these Saprophytic Parasitic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS