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 Cancer Bone disease Skin disorder Bronchitis Cancer Bone disease Skin disorder Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Stratosphere Trophosphere Mesosphere Thermosphere Stratosphere Trophosphere Mesosphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Carbonates Arsenic Bi-carbonates Iron & manganese Carbonates Arsenic Bi-carbonates Iron & manganese ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Carbonate Calcium Choride Sulphate Carbonate Calcium Choride Sulphate ANSWER DOWNLOAD EXAMIANS APP