Environmental Engineering The maximum discharge of a tube well is about 50 liters/sec 1000 liters/sec 500 liters/sec 5 liters/sec 50 liters/sec 1000 liters/sec 500 liters/sec 5 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The depression of water table in a well due to pumping will be maximum(Where ‘R’ is the radius of influence) At a distance R from the well None of these At a distance R/2 from the well Close to the well At a distance R from the well None of these At a distance R/2 from the well Close to the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to rapid sand filters, slow sand filters give (i) Slower filtration rate (ii) Higher filtration rate (iii) Lesser efficiency in removal of bacteria (iv) Higher efficiency in removal of bacteria The correct answer is (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Creates hygienic problem Requires treatment before disposal All of these Is cheaper in initial cost than dry conservancy system Creates hygienic problem Requires treatment before disposal All of these Is cheaper in initial cost than dry conservancy system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 75 50 100 59 75 50 100 59 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Difficulty in construction Difficulty in transportation due to heavy weight Less strength Less life Difficulty in construction Difficulty in transportation due to heavy weight Less strength Less life ANSWER DOWNLOAD EXAMIANS APP