♡ 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 👍 :665
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The type of sewer which is suitable ...
➣ Which of the following are claimed as ...
➣ The correct relation between theoretical oxygen demand ...
➣ The ratio of 5 days BOD to ...
➣ Composting and lagooning are the methods of ...
➣ Total volatile suspended solids to be anaerobically ...
➣ Which one the following types of settling ...
➣ In the design of grit chambers : ...
➣ Which of the following treatment processes are ...
➣ When there is no recirculation of sewage, ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Solid Waste and Waste Water Treatment
➤ Transportation Engineering
➤ Strength of Material
➤ Concrete Technology
➤ Water Supply
➤ Building Material
➤ Steel Structure