Environmental Engineering Laying of sewers is usually done with the help of A plane table Sight rails and boning rods A compass A Theodolite A plane table Sight rails and boning rods A compass A Theodolite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness Huge amount of precipitate is formed which creates a disposal problem 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) 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 At a distance R from the well None of these At a distance R/2 from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In facultative stabilization pond, the sewage is treated by Dual action of aerobic bacteria and anaerobic bacteria Aerobic bacteria only Sedimentation Algae only Dual action of aerobic bacteria and anaerobic bacteria Aerobic bacteria only Sedimentation Algae only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter 1000 mg/liter 1 mg/liter 10 mg/liter 100 mg/liter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 10 to 15 30 to 35 20 to 25 40 to 50 10 to 15 30 to 35 20 to 25 40 to 50 ANSWER DOWNLOAD EXAMIANS APP