Environmental Engineering Multiple Choice Questions

Environmental Engineering

Question 1.

Which of the following values of pH represents a stronger acid?

A.

 2

B.

 5

C.

 7

D.

 10

Explanation :

Explanation Not Provided

Question 2.

The distribution mains are designed for

A.

 Maximum daily demand

B.

 Maximum hourly demand

C.

 Average daily demand

D.

 Maximum hourly demand on maximum day

Explanation :

Explanation Not Provided

Question 3.

Sewage treatment units are designed for

A.

 Maximum flow only

B.

 Minimum flow only

C.

 Average flow only

D.

 Maximum and minimum flow

Explanation :

Explanation Not Provided

Question 4.

For satisfactory working of a sludge digestion unit, the pH range of digested sludge should be maintained as

A.

 4.5 to 6.0

B.

 6.5 to 8.0

C.

 8.5 to 10.0

D.

 10.5 to 12.0

Explanation :

Explanation Not Provided

Question 5.

The pathogens can be killed by

A.

 Nitrification

B.

 Chlorination

C.

 Oxidation

D.

 None of the above

Explanation :

Explanation Not Provided