♡ 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 👍 :764
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The maximum efficiency of BOD removal is ...
➣ The time of concentration is defined as ...
➣ 'Air binding' may occur in : ...
➣ Which of the following statements explains the ...
➣ What is the most common causes of ...
➣ The process in which chlorination is done ...
➣ From amongest the following sewage treatment options, ...
➣ Which of the following are claimed as ...
➣ Composting and lagooning are the methods of ...
➣ Which of the following pairs is not ...
❖ Take a qick MCQ Test on
➤ Steel Structure
➤ Miscellaneous
➤ Surveying
➤ Hydrology
➤ Strength of Material
➤ Concrete Technology
➤ Building Material
➤ Solid Waste and Waste Water Treatment