Environmental Engineering in CE Presence of iron and manganese in water causes Discoloration of bathroom fixtures Temporary hardness None of these Reduction in its dissolved oxygen content Discoloration of bathroom fixtures Temporary hardness None of these Reduction in its dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Bronchitis Bone disease Cancer Skin disorder Bronchitis Bone disease Cancer Skin disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Floatation & skimming Centrifugation Ultrafiltration Chemical coagulation Floatation & skimming Centrifugation Ultrafiltration Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Fading of dye on textiles Damage of electrical insulator on high tension power line Cracking of rubber products Embrittlement & decrease of folding resistance of paper Fading of dye on textiles Damage of electrical insulator on high tension power line Cracking of rubber products Embrittlement & decrease of folding resistance of paper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Both A & B Using the activities of bacteria and other micro organisms Aerobic oxidation Neither A nor B Both A & B Using the activities of bacteria and other micro organisms Aerobic oxidation Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Bleaching powder Alum Activated carbon Copper sulphate Bleaching powder Alum Activated carbon Copper sulphate ANSWER DOWNLOAD EXAMIANS APP