Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Corrosion Scale formation Water-borne disease Dental cavities Corrosion Scale formation Water-borne disease Dental cavities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Sulphur dioxide All of these Photochemical smog Ozone Sulphur dioxide All of these Photochemical smog Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Blanketing effect of CO₂ in the atmosphere De-forestation Automobile exhaust Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere De-forestation Automobile exhaust Thickening of ozone layer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Aeration Bleaching Chlorination Deoxidation Aeration Bleaching Chlorination Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Both A & B Natural aeration of water stream Neither A nor B Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B Photosynthetic action of algae ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by Quenching of hot coke None of these Filtration and recycling for cooling coke oven gas Discharging in the river stream Quenching of hot coke None of these Filtration and recycling for cooling coke oven gas Discharging in the river stream ANSWER DOWNLOAD EXAMIANS APP
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