Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 5 years 3.5 years 3 years 4 years 5 years 3.5 years 3 years 4 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is 0.35 m/sec 0.40 m/sec 0.45 m/sec 0.30 m/sec 0.35 m/sec 0.40 m/sec 0.45 m/sec 0.30 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate Boiling Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate Boiling ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The first stage of neutral process of sludge digestion, is None of these Acid regression Acid fermentation Alkaline fermentation None of these Acid regression Acid fermentation Alkaline fermentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The average temperature of sewage in India, is 20°C 25°C 10°C 15°C 20°C 25°C 10°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of minimum hourly flow to the average flow of sewage is 43894 43833 43834 43832 43894 43833 43834 43832 ANSWER DOWNLOAD EXAMIANS APP
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