Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Electrically Manually Mechanically Hydraulically Electrically Manually Mechanically Hydraulically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Nitrogen cycle of sewage, is Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 150 mg/l 100 mg/l 50 mg/l 250 mg/l 150 mg/l 100 mg/l 50 mg/l 250 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Steel pipes Both B and C Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Steel pipes Both B and C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is All listed here Water test Smoke test Straightness test All listed here Water test Smoke test Straightness test ANSWER DOWNLOAD EXAMIANS APP