Biochemical Engineering questions and answers

Biochemical Engineering Questions and Answers

A set of questions and answers to test and improve your knowledge and understanding of Biochemical Engineering.

36.

The purest form of naturally occurring water is

A.

rain water

B.

river water

C.

pond water

D.

well water

Correct answer is A

No explanation has been provided for this answer.

37.

From the following sanitizers which one comes under category of surface active agents?

A.

Tetra phosphate

B.

Teepol

C.

Meta phosphate

D.

None of these

Correct answer is B

No explanation has been provided for this answer.

38.

Temporary hardness of water may be removed by adding

A.

calcium hydroxide

B.

calcium carbonate

C.

calcium chloride

D.

sodium bicarbonate

Correct answer is A

No explanation has been provided for this answer.

39.

Lagoons may be characterized as

A.

anaerobic

B.

facultative

C.

aerated

D.

all of these

Correct answer is D

No explanation has been provided for this answer.

40.

Both temporary and permanent hardness of water can be removed on boiling water with

A.

calcium hydroxide

B.

sodium carbonate

C.

calcium oxide

D.

calcium carbonate

Correct answer is B

No explanation has been provided for this answer.