Environmental Engineering The pathogens can be killed by Chlorination Oxidation None of these Nitrification Chlorination Oxidation None of these Nitrification ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 10 ppm 4 ppm 40 ppm 1 ppm 10 ppm 4 ppm 40 ppm 1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Platinum cobalt scale Standard silica scale Standard cobalt scale Standard platinum scale Platinum cobalt scale Standard silica scale Standard cobalt scale Standard platinum scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Dissolved organic substances Bacteria and colloidal solids Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Dissolved organic substances Bacteria and colloidal solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Good quality of water Hotter climate Use of metering system Better standard of living of the people Good quality of water Hotter climate Use of metering system Better standard of living of the people ANSWER DOWNLOAD EXAMIANS APP