Particle's settling efficiency is related to _____ in ideal settling tank.
A: water depth
B: tank length
C: surface load
D: horizontal flow velocity
E: settling time
A: water depth
B: tank length
C: surface load
D: horizontal flow velocity
E: settling time
举一反三
- Settling time and velocity are related to the water depth in discrete particle settling. A: True B: False
- Particles whose velocity is _____ critical settling velocity can be totally removed in ideal settling tank. A: more than B: less than C: no demanding
- Which of the following measure could not improve the settling efficiency in sedimentation tank？ （ ）。 A: To increase the surface area of the tank B: To increase the flow rate C: To improve the performance of flocculation before sedimentation D: To recycle the sludge to improve the size of particles
- For large two-stroke diesel engine, the lubricating oil required for cross head bearing lubrication comes from the_____. A: settling tank B: lubricating oil circulation tank C: Wet sump D: Daily service tank
- Which of the following components of a wastewater treatment plant is designed to facilitate the decomposition of organic material by aerobic microorganisms? A: bar screen B: grit settling tank C: activated sludge tank D: chlorination E: ultra violet light array