Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 100 1 Infinite Zero 100 1 Infinite Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering When there is no recirculation of sewage, then recirculation factor is Infinity None of these 1 Infinity None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Higher value Same value Accurate value Lesser value Higher value Same value Accurate value Lesser value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a given discharge, the efficiency of sedimentation tank can be increased by Decreasing the surface area of tank Increasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank Decreasing the surface area of tank Increasing the surface area of tank Decreasing the depth of tank Increasing the depth of tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 10 ppm 50 ppm 30 ppm 20 ppm 10 ppm 50 ppm 30 ppm 20 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank (i) and (ii) (i) and (iii) Only (iii) Only (i) (i) and (ii) (i) and (iii) Only (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP