♡ 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 👍 :762
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The characteristics of fresh and septic sewage ...
➣ Velocity of flow does not depend on ...
➣ The least expensive and most suitable excreta ...
➣ The process in which chlorination is done ...
➣ Following reactions take place during anareobic digestion ...
➣ The effect of increasing diameters of sewer ...
➣ In facultative stabilization pond, the sewage is ...
➣ Which of the following are claimed as ...
➣ Which one the following chemicals is employed ...
➣ Which of the following terms, correctly describes ...
❖ Take a qick MCQ Test on
➤ Water Supply
➤ Miscellaneous
➤ Irrigation
➤ Solid Waste and Waste Water Treatment
➤ Soil Mechanics and Foundation
➤ Fluid Mechanics and Hydraulics
➤ Building Material
➤ Concrete Structure