♡ 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 👍 :555
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The two main gases liberated from an ...
➣ Critical factors for the activated sludge treatment ...
➣ The least expensive and most suitable excreta ...
➣ Which of the following pairs is not ...
➣ From amongest the following sewage treatment options, ...
➣ Which of the following terms, correctly describes ...
➣ In which treatment unit is "Schmutz decke" ...
➣ After which of the following water treatment ...
➣ The effect of increasing diameters of sewer ...
➣ The biochemical treatment of sewage effluents is ...
❖ Take a qick MCQ Test on
➤ Soil Mechanics and Foundation
➤ Solid Waste and Waste Water Treatment
➤ Fluid Mechanics and Hydraulics
➤ Concrete Structure
➤ Pollution (Air and Noise)
➤ Concrete Technology
➤ Hydrology
➤ Irrigation