♡ 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 👍 :802
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The specific gravity of sewage is : ...
➣ Which of the following units works in ...
➣ Which of the following statements explains the ...
➣ The correct relation between theoretical oxygen demand ...
➣ The working conditions in imhoff tanks off ...
➣ Which one the following types of settling ...
➣ In which type of lakes, does a ...
➣ In the design of grit chambers : ...
➣ Are requirements (ha) for disposal of the ...
➣ 'Air binding' may occur in : ...
❖ Take a qick MCQ Test on
➤ Strength of Material
➤ Concrete Structure
➤ Soil Mechanics and Foundation
➤ Steel Structure
➤ Irrigation
➤ Transportation Engineering
➤ Pollution (Air and Noise)
➤ Building Material