Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Thickening of ozone layer Automobile exhaust Blanketing effect of CO₂ in the atmosphere De-forestation Thickening of ozone layer Automobile exhaust Blanketing effect of CO₂ in the atmosphere De-forestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Dissolved oxygen Turbidity Suspended silica Caustic embrittlement Dissolved oxygen Turbidity Suspended silica Caustic embrittlement ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Skimming tank Grit chamber Detritus tank Trickling filter Skimming tank Grit chamber Detritus tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 20 1000 100 1 20 1000 100 1 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 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Burning of domestic fuel Photochemical reaction in polluted atmosphere Industrial chimney exhaust Automobiles exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere Industrial chimney exhaust Automobiles exhaust ANSWER DOWNLOAD EXAMIANS APP
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