Waste Water Engineering In the activated sludge process Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The flow velocity in detritus tanks is 1.25 m/sec 0.09 m/sec None of these 0.05 m/sec 1.25 m/sec 0.09 m/sec None of these 0.05 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is 1.5 3 4 2 1.5 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at Three fourth full Half full Two third full Full depth Three fourth full Half full Two third full Full depth ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 30 minutes 1 hour 2 hours 1 hour and 30 minutes 30 minutes 1 hour 2 hours 1 hour and 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipes Are designed for generating self-cleansing velocities at different discharge All listed here Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits Are designed for generating self-cleansing velocities at different discharge All listed here Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS