Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Textile Limestone mining Coal mining Asbestos Textile Limestone mining Coal mining Asbestos ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water All of these Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds All of these Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Hydrogen Ozone None of these Carbon dioxide Hydrogen Ozone None of these Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Phosphorous Calcium Sulphur Fluorine Phosphorous Calcium Sulphur Fluorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is Proportional to the viscosity & density of the gas Inversely proportional to viscosity of gas Proportional to the pressure of the gas Both B and C Proportional to the viscosity & density of the gas Inversely proportional to viscosity of gas Proportional to the pressure of the gas Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Pulp and paper plant Metallurgical roasting & smelting plant Petroleum refineries Coal based thermal power plants Pulp and paper plant Metallurgical roasting & smelting plant Petroleum refineries Coal based thermal power plants ANSWER DOWNLOAD EXAMIANS APP
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