Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Nervous depression All of these Gastritis & diarrhea Paralysis of muscles & loss of appetite Nervous depression All of these Gastritis & diarrhea Paralysis of muscles & loss of appetite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Petroleum refineries Pulp and paper plant Metallurgical roasting & smelting plant Coal based thermal power plants Petroleum refineries Pulp and paper plant Metallurgical roasting & smelting plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Arsenic Carbonates Iron & manganese Bi-carbonates Arsenic Carbonates Iron & manganese Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Air binding Mud balls Expansion of filtering media Shrinkage of filtering media Air binding Mud balls Expansion of filtering media Shrinkage of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Chloramine Hydrated lime Ferrous sulphate Aluminium sulphate Chloramine Hydrated lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Powder Dust Smoke Colloids or aerosols Powder Dust Smoke Colloids or aerosols ANSWER DOWNLOAD EXAMIANS APP