Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1 1000 100 20 1 1000 100 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Automobile exhaust Flue gas of coal based power plant Exhaust of sulphuric acid plant Exhaust of nitric acid plant Automobile exhaust Flue gas of coal based power plant Exhaust of sulphuric acid plant Exhaust of nitric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Natural aeration of water stream Photosynthetic action of algae Both A & B Neither A nor B Natural aeration of water stream Photosynthetic action of algae Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 9 to 10 1 to 2 4 to 5 15 to 20 9 to 10 1 to 2 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
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