Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Carbon dioxide Sulphur dioxide Bleaching powder Chloramines Carbon dioxide Sulphur dioxide Bleaching powder Chloramines ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec 50 liters/sec 5 liters/sec 1000 liters/sec 500 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 10 - 12 days 2 - 3 months 1 - 2 year 24 - 48 hours 10 - 12 days 2 - 3 months 1 - 2 year 24 - 48 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Air relief valve Reflux valve Pressure relief valve Sluice valve Air relief valve Reflux valve Pressure relief valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow of water in a sedimentation tank is about 5 to 10 cm/sec 15 to 30 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute 5 to 10 cm/sec 15 to 30 cm/sec 15 to 30 cm/hour 15 to 30 cm/minute ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Hypo-chlorination Super chlorination Pre-chlorination De-chlorination Hypo-chlorination Super chlorination Pre-chlorination De-chlorination ANSWER DOWNLOAD EXAMIANS APP
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