Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 15 to 20 9 to 10 1 to 2 4 to 5 15 to 20 9 to 10 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere None of these Ionosphere Troposphere Stratosphere None of these Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Bi-carbonates Carbonates Iron & manganese Arsenic Bi-carbonates Carbonates Iron & manganese Arsenic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Suppression of noise at the source itself Path control of noise All of these Protection of operating personnel Suppression of noise at the source itself Path control of noise All of these Protection of operating personnel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Hydrogen fluoride & nitrogen oxides Smog & ozone Carbon monoxide Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Smog & ozone Carbon monoxide Sulphur dioxide & spray of weed killers 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 Skin disorder Bone disease Cancer Bronchitis Skin disorder Bone disease Cancer Bronchitis ANSWER DOWNLOAD EXAMIANS APP
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