Environmental Engineering The treatment of water with bleaching powder is known as Pre-chlorination Hypo-chlorination Super chlorination De-chlorination Pre-chlorination Hypo-chlorination Super chlorination De-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which 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 Consists of undesirable substances rendering it unfit for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Sedimentation tank Sludge digestion tank Activated sludge treatment Trickling filters Sedimentation tank Sludge digestion tank Activated sludge treatment Trickling filters 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 None of these At a distance R from the well At a distance R/2 from the well Close to the well None of these At a distance R from the well At a distance R/2 from the well ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and less More and more Less and more Less and less More and less More and more Less and more Less and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.1 ppm 0.001 ppm 0.0001 ppm 0.01 ppm 0.1 ppm 0.001 ppm 0.0001 ppm 0.01 ppm ANSWER DOWNLOAD EXAMIANS APP
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