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/minute 15 to 30 cm/hour 5 to 10 cm/sec 15 to 30 cm/sec 15 to 30 cm/minute 15 to 30 cm/hour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Horseshoe type sewer Egg shaped sewer Circular sewer Semi-elliptical sewer Horseshoe type sewer Egg shaped sewer Circular sewer Semi-elliptical sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Sulphur dioxide Chloramines Carbon dioxide Bleaching powder Sulphur dioxide Chloramines Carbon dioxide Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Activated sludge treatment Sedimentation tank Sludge digestion tank Trickling filters Activated sludge treatment Sedimentation tank Sludge digestion tank Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Alum as a coagulant is found to be most effective when pH range of water is 4 to 6 6 to 8 8 to 10 2 to 4 4 to 6 6 to 8 8 to 10 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following compounds is widely used for algae control? Copper sulphate Calcium chloride Sodium sulphate Sodium chloride Copper sulphate Calcium chloride Sodium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
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