Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Fluorine Calcium Phosphorous Sulphur Fluorine Calcium Phosphorous Sulphur ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Tooth decay Gastroentetitis Mathenoglobenemia Asphyxiation Tooth decay Gastroentetitis Mathenoglobenemia Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Use micro-organisms/bacteria in presence of dissolved oxygen 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 Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Use micro-organisms/bacteria in presence of dissolved oxygen 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these Conversion of CO into CO₂ in the second compartment Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these Conversion of CO into CO₂ in the second compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Mercury Arsenic Fluoride Lead Mercury Arsenic Fluoride Lead ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Skimming tank Trickling filter Grit chamber Detritus tank Skimming tank Trickling filter Grit chamber Detritus tank ANSWER DOWNLOAD EXAMIANS APP
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