Environmental Engineering The pathogens can be killed by Nitrification Chlorination Oxidation None of these Nitrification Chlorination Oxidation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Decreasing the depth of tank Decreasing the surface area of tank Increasing the depth of tank Increasing the surface area of tank Decreasing the depth of tank Decreasing the surface area of tank Increasing the depth of tank Increasing the surface area of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 200 liters 165 liters 100 liters 135 liters 200 liters 165 liters 100 liters 135 liters 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 4 ppm 40 ppm 10 ppm 1 ppm 4 ppm 40 ppm 10 ppm 1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of Alteration of pressure filters is Less than that of slow sand filters Greater than that of rapid sand filters In between the filtration rate of slow sand filters and rapid sand filters Equal to that of slow sand filters Less than that of slow sand filters Greater than that of rapid sand filters In between the filtration rate of slow sand filters and rapid sand filters Equal to that of slow sand filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Consists of undesirable substances rendering it unfit for drinking and domestic use Contains pathogenic bacteria Is contaminated Is safe and suitable for drinking and domestic use Consists of undesirable substances rendering it unfit for drinking and domestic use Contains pathogenic bacteria Is contaminated Is safe and suitable for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP