The ratio of 5 day BOD to ultimate BOD is about_______________?
The ratio of 5 day BOD to ultimate BOD is about_______________?
A. 1/3
B. 2/3
C. 3/4
D. 1.0
Similar Posts
Orthotolidine test is used for determination of________________?
Orthotolidine test is used for determination of________________? A. dissolved oxygen
B. residual chlorine(Correct)
C. biochemical oxygen demand
D. dose of coagulantIf the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to________________?
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to________________? A. total alkalinity(Correct)
B. total hardness
C. total hardness – total alkalinity
D. non carbonate hardness