♡ 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 👍 :753
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Sludge volume index is defined as the ...
➣ In which treatment unit is "Schmutz decke" ...
➣ Are requirements (ha) for disposal of the ...
➣ The maximum efficiency of BOD removal is ...
➣ The characteristics of fresh and septic sewage ...
➣ Which one the following types of settling ...
➣ In the design of grit chambers : ...
➣ The gas from sludge digestion tank is ...
➣ When there is no recirculation of sewage, ...
➣ The specific gravity of sewage is : ...
❖ Take a qick MCQ Test on
➤ Solid Waste and Waste Water Treatment
➤ Strength of Material
➤ Irrigation
➤ Hydrology
➤ Soil Mechanics and Foundation
➤ Surveying
➤ Transportation Engineering
➤ Water Supply