♡ 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 👍 :658
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Which of the following are claimed as ...
➣ Which one the following types of settling ...
➣ The trickling filter is designed to remove: ...
➣ In which treatment unit is "Schmutz decke" ...
➣ Critical factors for the activated sludge treatment ...
➣ Which of the following terms, correctly describes ...
➣ What is the most common causes of ...
➣ BOD is preferred to COD as an ...
➣ Which of the following treatment processes are ...
➣ The gas from sludge digestion tank is ...
❖ Take a qick MCQ Test on
➤ Solid Waste and Waste Water Treatment
➤ Strength of Material
➤ Irrigation
➤ Water Supply
➤ Hydrology
➤ Pollution (Air and Noise)
➤ Concrete Structure
➤ Soil Mechanics and Foundation