Waste Water Engineering The flow velocity in detritus tanks is 0.09 m/sec 0.05 m/sec None of these 1.25 m/sec 0.09 m/sec 0.05 m/sec None of these 1.25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Phenol-di-sulphuric acid Boiling Adding sulphuric acid Adding potassium permanganate Phenol-di-sulphuric acid Boiling Adding sulphuric acid Adding potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 25 litres/person/year 30 litres/person/year 25 litres/person/month 30 litres/person/month 25 litres/person/year 30 litres/person/year 25 litres/person/month 30 litres/person/month ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is only provided Is trebled Is not enough Is doubled Is only provided Is trebled Is not enough Is doubled ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the gas generally found, is Carbon dioxide (CO2) Hydrogen sulphide (H2S) Methane (CH4) All listed here Carbon dioxide (CO2) Hydrogen sulphide (H2S) Methane (CH4) All listed here ANSWER DOWNLOAD EXAMIANS APP
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