Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Sludge sedimentation tanks Trickling filters Imhoff tanks None of these Sludge sedimentation tanks Trickling filters Imhoff tanks None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is 2.45 m 2.30 m 2.40 m 2.50 m 2.45 m 2.30 m 2.40 m 2.50 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be kept 20 cm above the adjacent portion Should be sunk by 50 cm Should be sunk by 20 cm Need not be sunk Should be kept 20 cm above the adjacent portion Should be sunk by 50 cm Should be sunk by 20 cm Need not be sunk ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, is 1.350 D 1.625 D 1.425 D 1.250 D 1.350 D 1.625 D 1.425 D 1.250 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Consume organic matter as their food All of these Flourish in the presence of free oxygen Oxidise organic matter in sewage Consume organic matter as their food All of these Flourish in the presence of free oxygen Oxidise organic matter in sewage ANSWER DOWNLOAD EXAMIANS APP