♡ 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 👍 :549
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The maximum efficiency of BOD removal is ...
➣ The minimum dissolved oxygen which should always ...
➣ Total volatile suspended solids to be anaerobically ...
➣ The characteristics of fresh and septic sewage ...
➣ Which of the following terms, correctly describes ...
➣ In which treatment unit is "Schmutz decke" ...
➣ The working conditions in imhoff tanks off ...
➣ In which type of lakes, does a ...
➣ The gas from sludge digestion tank is ...
➣ The maximum efficiency of BOD removal is ...
❖ Take a qick MCQ Test on
➤ Hydrology
➤ Miscellaneous
➤ Transportation Engineering
➤ Solid Waste and Waste Water Treatment
➤ Irrigation
➤ Surveying
➤ Concrete Technology
➤ Building Material