Question 1

Dealkalization results in removal of all the ions from the water.

Accepted Answer

A) True 
 B)False

Question 2

In which process, excess lime is converted into bicarbonate?

Accepted Answer

A)  chlorination
B)  liming
C)  re-carbonation
D)  super-chlorinationE) All of the above
F) A) and D)

Question 3

Which of these have a negative electrical charge?

Accepted Answer

A)  calcium
B)  magnesium
C)  sodium
D)  chlorideE) C) and D)
F) None of the above

Question 4

In which unit operation, gases are released or absorbed in the water?

Accepted Answer

A)  gas transfer
B)  ion transfer
C)  solute stabilization
D)  solids transferE) A) and C)
F) B) and D)

Exam 5: Water Treatment Processes and Unit Operations

In which unit operation, gases are released or absorbed in the water?