Q. What is the minimum depth considered while designing an aerated lagoon?

View solution

Q. Which of the following methods consume the least power?

View solution

Q. Which of the following methods consume the most power?

View solution

Q. The facultative pond functions like a ________

View solution

Q. The surface area of facultative ponds should be small.

View solution

Q. In facultative ponds, micro-organisms are able to oxidize only dissolved organics.

View solution

Q. ______ occur when the rate of oxygen transfer from the lagoon surface is less than the rate of oxygen consumption in the lower levels of the lagoon.

View solution

Q. How much amount of oxygen should one acre of facultative lagoon must provide per day?

View solution

Q. ______ weather requires large oxygen transfer.

View solution

Q. Ice mats _____ the oxygen transfer surface.

View solution

Q. What is the depth range of facultative ponds?

View solution

Q. What is the maximum allowable temperature in facultative ponds?

View solution

Q. Which colour are the facultative ponds?

View solution

Q. SBR is a type of ________

View solution

Q. The one tank is aerating and filling while the other one is decant.

View solution

Q. Bio-selectors direct the flow.

View solution

Q. ___________ helps to mix the incoming influent and the returned activated sludge.

View solution

Q. How is mixing done in SBR?

View solution

Q. In which stage of the SBR is aeration performed?

View solution

Q. In which stage are the aeration and mixing avoided?

View solution