Environmental Engineering The alum, when added as a coagulant in water Does not require alkalinity in water for flocculation Increases pH value of water Does not affect pH value of water Decreases pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Does not affect pH value of water Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Better standard of living of the people Good quality of water Use of metering system Hotter climate Better standard of living of the people Good quality of water Use of metering system Hotter climate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Select the correct relationship between porosity (N), specific yield (y) and specific retention (R) N = y + R y = N + R R = N + y R > (N + y) N = y + R y = N + R R = N + y R > (N + y) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to cast iron pipes, steel pipes are Costlier Less susceptible to corrosion Heavier Stronger Costlier Less susceptible to corrosion Heavier Stronger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved organic substances Dissolved solids and dissolved gases Bacteria and colloidal solids Floating solids and dissolved inorganic solids Dissolved organic substances Dissolved solids and dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Sedimentation tanks Grit chambers Detritus tanks Skimming tanks Sedimentation tanks Grit chambers Detritus tanks Skimming tanks ANSWER DOWNLOAD EXAMIANS APP
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