A. X/4
B. X/2
C. X
D. 2X
A. 0 to 50
B. 50 to 150
C. 150 to 350
D. 350 to 500
For normal sludge, the value of sludge index for Indian conditions is________________? Read More »
Environmental Engineering A. 4.5 to 6.0
B. 6.5 to 8.0
C. 8.5 to 10.0
D. 10.5 to 12.0
A. sludge digestion
B. sludge disposal
C. sedimentation
D. filtration
Composting and lagooning are the methods of_______________? Read More »
Environmental EngineeringIn facultative stabilization pond, the sewage is treated by________________? Read More »
Environmental EngineeringThe maximum efficiency of BOD removal is achieved in______________? Read More »
Environmental Engineering A. sludge digestion tank
B. sedimentation tank
C. activated sludge treatment
D. trickling filters
Which of the following unit works in anaerobic conditions ? Read More »
Environmental EngineeringIf the sewage contains grease and fatty oils, these are removed in_________________? Read More »
Environmental EngineeringLaying of sewers is usually done with the help of________________? Read More »
Environmental EngineeringSewerage system is designed for_______________? Read More »
Environmental Engineering