B. Lloyd Davis
D. All the above
- Design period of 40 to 50 years is adopted for_________________?
- A. Branch sewers B. Main sewers C. Trunk sewers D. All the above...
- The ratio of design discharge to the surface area of a sedimentation tank is called____________________?
- A. Surface loading B. Overflow rate C. Overflow velocity D. All of these...
- The coagulant widely used for sewage treatment, is_________________?
- A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas...
- The settlement of a particle in sedimentation tank, is affected by_____________________?
- A. Velocity of flow B. Viscosity of water C. Size and shape of solid D. All the above...