♡ 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 👍 :746
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The biochemical treatment of sewage effluents is ...
➣ The effect of increasing diameters of sewer ...
➣ The least expensive and most suitable excreta ...
➣ After which of the following water treatment ...
➣ 'Air binding' may occur in : ...
➣ In facultative stabilization pond, the sewage is ...
➣ The specific gravity of sewage is : ...
➣ The minimum dissolved oxygen which should always ...
➣ The two main gases liberated from an ...
➣ What is the most common causes of ...
❖ Take a qick MCQ Test on
➤ Concrete Technology
➤ Surveying
➤ Strength of Material
➤ Concrete Structure
➤ Hydrology
➤ Soil Mechanics and Foundation
➤ Building Material
➤ Fluid Mechanics and Hydraulics