Environmental Engineering The overflow rate for plain sedimentation tanks is about 1500 to 2000 liters/hour/m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² 1500 to 2000 liters/hour/m² 500 to 750 liters/hour/ m² 1250 to 1500 liters/hour/m² 1000 to 1250 liters/hour/ m² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Activated sludge treatment Sedimentation tank Trickling filters Sludge digestion tank Activated sludge treatment Sedimentation tank Trickling filters Sludge digestion tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 5 liters/sec 50 liters/sec 1000 liters/sec 500 liters/sec 5 liters/sec 50 liters/sec 1000 liters/sec 500 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Dissolved oxygen in water Turbidity in water Residual chlorine in water Hardness in water Dissolved oxygen in water Turbidity in water Residual chlorine in water Hardness in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water Does not affect pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Egg shaped sewer Horseshoe type sewer Circular sewer Semi-elliptical sewer Egg shaped sewer Horseshoe type sewer Circular sewer Semi-elliptical sewer ANSWER DOWNLOAD EXAMIANS APP