Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 50 ppm 30 ppm 10 ppm 20 ppm 50 ppm 30 ppm 10 ppm 20 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 5 3 2 4 5 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 30 cm and 450 cm 15 cm and 300 cm 60 cm and 300 cm 15 cm and 100 cm 30 cm and 450 cm 15 cm and 300 cm 60 cm and 300 cm 15 cm and 100 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Hardness in water Dissolved oxygen in water Turbidity in water Residual chlorine in water Hardness in water Dissolved oxygen in water Turbidity in water Residual chlorine in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are normally designed for 5 - 10 years 15 - 28 years 15 - 20 years 28 - 30 years 5 - 10 years 15 - 28 years 15 - 20 years 28 - 30 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for turbid and acidic water The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for turbid and acidic water ANSWER DOWNLOAD EXAMIANS APP
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