♡ 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 👍 :749
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Which of the following statements explains the ...
➣ The ratio of 5 days BOD to ...
➣ In which treatment unit is "Schmutz decke" ...
➣ The gas from sludge digestion tank is ...
➣ The effect of increasing diameters of sewer ...
➣ The least expensive and most suitable excreta ...
➣ Sewage treatment units are designed for : ...
➣ Which of the following are claimed as ...
➣ Ventilation of sewer lines is necessary to ...
➣ The time of concentration is defined as ...
❖ Take a qick MCQ Test on
➤ Soil Mechanics and Foundation
➤ Surveying
➤ Irrigation
➤ Building Material
➤ Transportation Engineering
➤ Water Supply
➤ Pollution (Air and Noise)
➤ Solid Waste and Waste Water Treatment