Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Carbon dioxide Oxygen Hydrogen sulphide Methane Carbon dioxide Oxygen Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity at dry weather flow Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity at dry weather flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine None of these Potassium permanganate Phenol-di -sulphuric acid and potassium hydroxide Sulphuric acid and napthamine None of these Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In freshly produced sewage In sewer treatment plants At sewer pipes None of these In freshly produced sewage In sewer treatment plants At sewer pipes None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The small sewers are cleaned by None of these Wooden pills Cane rodding Flushing None of these Wooden pills Cane rodding Flushing ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Clogging of sewers, is caused due to All of these Greasy and oily matters Low discharge Silting All of these Greasy and oily matters Low discharge Silting ANSWER DOWNLOAD EXAMIANS APP
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