Environmental Engineering Air binding phenomena in rapid sand filters occur due to Higher turbidity in the effluent Excessive negative head Low temperature Mud ball formation Higher turbidity in the effluent Excessive negative head Low temperature Mud ball formation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Partially combined system Combined system Separate system Partially separate system Partially combined system Combined system Separate system Partially separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Smaller Same Larger None of these Smaller Same Larger None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In water treatment, rapid gravity filters are adopted to remove 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 Bacteria and colloidal solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Pre-chlorination Super chlorination Break point chlorination Post chlorination Pre-chlorination Super chlorination Break point chlorination Post chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection of water results in Killing of disease bacteria Complete sterilisation Removal of turbidity Removal of hardness Killing of disease bacteria Complete sterilisation Removal of turbidity Removal of hardness ANSWER DOWNLOAD EXAMIANS APP