Waste Water Engineering With self cleansing velocity in sewers Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Scouring occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity of water in a pressure filter Velocity of water at flushing Velocity at dry weather flow Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity of water at flushing Velocity at dry weather flow Velocity at which no accumulation remains in the drains ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Manually Electrically Hydraulically Mechanically Manually Electrically Hydraulically Mechanically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Ammonia Carbon monoxide Methane Carbondioxide Ammonia Carbon monoxide Methane Carbondioxide ANSWER DOWNLOAD EXAMIANS APP