Waste Water Engineering The presence of free ammonia in sewage, is detected by Boiling Adding sulphuric acid Adding potassium permanganate Phenol-di-sulphuric acid Boiling Adding sulphuric acid Adding potassium permanganate Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 60 20 100 40 60 20 100 40 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Parabolic shaped Egg shaped Circular shaped Horse shoe shaped Parabolic shaped Egg shaped Circular shaped Horse shoe shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 1 minute 2 minutes 3 minutes 5 minutes 1 minute 2 minutes 3 minutes 5 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Free ammonia Nitrates Aluminoid nitrogen Nitrites Free ammonia Nitrates Aluminoid nitrogen Nitrites ANSWER DOWNLOAD EXAMIANS APP
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