♡ Login
Home
Previous Papers
★
MCQs
Civil Engineering
Solid Waste and Waste Water Treatment
The minimum dissolved oxygen which should always ...
Que.
The minimum dissolved oxygen which should always be presents in water in order to save the aquatic life is :
A.
1 ppm
B.
4 ppm
C.
10 ppm
D.
40 ppm
Right Answer is :
✓ B. 4 ppm
⚑ Report
Views 👍 :741
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Following reactions take place during anareobic digestion ...
➣ Which of the following statements explains the ...
➣ The minimum dissolved oxygen which should always ...
➣ Which of the following treatment processes are ...
➣ The gas from sludge digestion tank is ...
➣ Critical factors for the activated sludge treatment ...
➣ Which of the following are claimed as ...
➣ After which of the following water treatment ...
➣ Sewage treatment units are designed for : ...
➣ In facultative stabilization pond, the sewage is ...
❖ Take a qick MCQ Test on
➤ Surveying
➤ Soil Mechanics and Foundation
➤ Concrete Technology
➤ Fluid Mechanics and Hydraulics
➤ Irrigation
➤ Building Material
➤ Miscellaneous
➤ Steel Structure