Environmental Engineering in CE Most of the bacteria in sewage are Parasitic Anerobic None of these Saprophytic Parasitic Anerobic None of these Saprophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Powder Smoke Dust Colloids or aerosols Powder Smoke Dust Colloids or aerosols ANSWER DOWNLOAD EXAMIANS APP
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). 3 7 20 1 3 7 20 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea All of these Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Inorganic Organic None of these Radioactive Inorganic Organic None of these Radioactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 3000 to 6000 10000 to 100000 6000 to 9000 1000 to 2000 3000 to 6000 10000 to 100000 6000 to 9000 1000 to 2000 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS