Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Zinc Bromine Iodine Iron Zinc Bromine Iodine Iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Trickling filters Biological oxygen pond Gravity separator having oil skimming devices Aerated lagoons Trickling filters Biological oxygen pond Gravity separator having oil skimming devices Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Mud balls Shrinkage of filtering media Air binding Expansion of filtering media Mud balls Shrinkage of filtering media Air binding Expansion of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Ionosphere Stratosphere Troposphere None of these Ionosphere Stratosphere Troposphere None of these 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. Fluorine Phosphorous Sulphur Calcium Fluorine Phosphorous Sulphur Calcium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Asphyxiation Tooth decay Mathenoglobenemia Gastroentetitis Asphyxiation Tooth decay Mathenoglobenemia Gastroentetitis ANSWER DOWNLOAD EXAMIANS APP
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