♡ 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 👍 :526
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Which one the following chemicals is employed ...
➣ BOD is preferred to COD as an ...
➣ Velocity of flow does not depend on ...
➣ The working conditions in imhoff tanks off ...
➣ The maximum efficiency of BOD removal is ...
➣ The effect of increasing diameters of sewer ...
➣ The correct relation between theoretical oxygen demand ...
➣ When there is no recirculation of sewage, ...
➣ In facultative stabilization pond, the sewage is ...
➣ The gas from sludge digestion tank is ...
❖ Take a qick MCQ Test on
➤ Fluid Mechanics and Hydraulics
➤ Concrete Technology
➤ Steel Structure
➤ Soil Mechanics and Foundation
➤ Concrete Structure
➤ Water Supply
➤ Solid Waste and Waste Water Treatment
➤ Transportation Engineering