Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 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 25 litres/person/year ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 10 1 in 60 1 in 80 1 in 400 1 in 10 1 in 60 1 in 80 1 in 400 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 22.5 cm c/c 50 cm c/c 30 cm c/c 15 cm c/c 22.5 cm c/c 50 cm c/c 30 cm c/c 15 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Hydrogen All listed here Ammonia Carbon dioxide Hydrogen All listed here Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding sulphuric acid Boiling Phenol-di-sulphuric acid Adding potassium permanganate Adding sulphuric acid Boiling Phenol-di-sulphuric acid Adding potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Standard egg shaped Horse shoe shaped Parabolic shaped Circular shaped Standard egg shaped Horse shoe shaped Parabolic shaped Circular shaped ANSWER DOWNLOAD EXAMIANS APP
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