Environmental Engineering In water treatment, rapid gravity filters are adopted to remove Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved organic substances Dissolved solids and dissolved gases Floating solids and dissolved inorganic solids Bacteria and colloidal solids Dissolved organic substances ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Increasing the surface area of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank Increasing the surface area of tank Decreasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Hotter climate 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Oxidation pond Aerated lagoons Oxidation ditch Trickling filters Oxidation pond Aerated lagoons Oxidation ditch ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Air relief valve Pressure relief valve Sluice valve Reflux valve Air relief valve Pressure relief valve Sluice valve Reflux valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Sub-main sewer Main sewer Lateral sewer House sewer Sub-main sewer Main sewer Lateral sewer House sewer ANSWER DOWNLOAD EXAMIANS APP