Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 20 ppm 50 ppm 30 ppm 10 ppm 20 ppm 50 ppm 30 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by BOD > COD > TOD COD > BOD > TOD TOD > BOD > COD TOD > COD > BOD BOD > COD > TOD COD > BOD > TOD TOD > BOD > COD TOD > COD > BOD ANSWER DOWNLOAD EXAMIANS APP
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 The effect of increasing diameter of sewer on the self cleansing velocity is Nil Fluctuating To increase it To decrease it Nil Fluctuating To increase it To decrease it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Reinforced cement concrete Steel Copper Cast iron Reinforced cement concrete Steel Copper Cast iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to shallow wells, deep wells have More depth Less discharge Less depth More discharge More depth Less discharge Less depth More discharge ANSWER DOWNLOAD EXAMIANS APP
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