Environmental Engineering The major disadvantage of lime soda process of water softening is that It is unsuitable for softening the water of excessive hardness The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for softening the water of excessive hardness The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alkalinity in water is expressed as milligrams per litre in terms of equivalent Calcium carbonate Magnesium carbonate Sodium carbonate Calcium hydroxide Calcium carbonate Magnesium carbonate Sodium carbonate Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum permissible limit for fluoride in drinking water is 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter 1.5 mg/liter 10 mg/liter 0.1 mg/liter 5 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Oxidation pond Oxidation ditch Aerated lagoons Trickling filters Oxidation pond Oxidation ditch Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Filters Aquiclude Aquifers Intakes Filters Aquiclude Aquifers Intakes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.001 ppm 0.0001 ppm 0.01 ppm 0.1 ppm 0.001 ppm 0.0001 ppm 0.01 ppm 0.1 ppm ANSWER DOWNLOAD EXAMIANS APP
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