Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Volcanic eruption Forest fire None of these Deforestation Volcanic eruption Forest fire None of these Deforestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Composting Biological oxidation Incineration None of these Composting Biological oxidation Incineration None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Anion exchanger Preheating it Coagulation Filtration Anion exchanger Preheating it Coagulation Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Expansion of filtering media Shrinkage of filtering media Air binding Mud balls Expansion of filtering media Shrinkage of filtering media Air binding Mud balls 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 Sulphur Calcium Fluorine Phosphorous Sulphur Calcium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 17 357 1097 0.5 17 357 1097 0.5 ANSWER DOWNLOAD EXAMIANS APP
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