Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel from top surface to bottom sludge zone A particle to travel along its length None of these The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone A particle to travel along its length None of these The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Hydraulically Electrically Manually Mechanically Hydraulically Electrically Manually Mechanically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The minimum width of septic level is 90 cm The outlet invert level is kept 5 to 7.5 cm below the inlet invert level A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The minimum width of septic level is 90 cm The outlet invert level is kept 5 to 7.5 cm below the inlet invert level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 7 m 5 m 6.5 m 5.5 m 7 m 5 m 6.5 m 5.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Stone ware sewers Cast iron sewers Glazed bricks sewers Cement concrete sewers Stone ware sewers Cast iron sewers Glazed bricks sewers Cement concrete sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.999 0.95 0.99 0.9 0.999 0.95 0.99 0.9 ANSWER DOWNLOAD EXAMIANS APP
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