♡ 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 👍 :629
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The type of sewer which is suitable ...
➣ Velocity of flow does not depend on ...
➣ In which treatment unit is "Schmutz decke" ...
➣ The characteristics of fresh and septic sewage ...
➣ The least expensive and most suitable excreta ...
➣ which of the following sewage treatment methods ...
➣ Sewage treatment units are designed for : ...
➣ The biochemical treatment of sewage effluents is ...
➣ From amongest the following sewage treatment options, ...
➣ Which one the following types of settling ...
❖ Take a qick MCQ Test on
➤ Hydrology
➤ Concrete Structure
➤ Strength of Material
➤ Transportation Engineering
➤ Steel Structure
➤ Building Material
➤ Soil Mechanics and Foundation
➤ Concrete Technology