♡ 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 👍 :721
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ In facultative stabilization pond, the sewage is ...
➣ Velocity of flow does not depend on ...
➣ Which of the following units works in ...
➣ which of the following sewage treatment methods ...
➣ Sludge volume index is defined as the ...
➣ Critical factors for the activated sludge treatment ...
➣ From amongest the following sewage treatment options, ...
➣ The characteristics of fresh and septic sewage ...
➣ In which treatment unit is "Schmutz decke" ...
➣ The specific gravity of sewage is : ...
❖ Take a qick MCQ Test on
➤ Water Supply
➤ Steel Structure
➤ Strength of Material
➤ Irrigation
➤ Miscellaneous
➤ Surveying
➤ Hydrology
➤ Concrete Technology