Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Mechanically Manually Electrically Hydraulically Mechanically Manually Electrically Hydraulically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Active decomposition Cleaner water Recovery Degradation Active decomposition Cleaner water Recovery Degradation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 – P2)] V1 [(100 – P1)/(100 + P2)] V1 [(100 + P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 – P2)] V1 [(100 – P1)/(100 + P2)] V1 [(100 + P1)/(100 – P2)] V1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of minimum hourly flow to the average flow of sewage is 43833 43834 43832 43894 43833 43834 43832 43894 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 60 None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS