Chemical Engineering questions and answers

Chemical Engineering Questions and Answers

A set of Chemical Engineering questions and answers to test your understanding of developing and designing chemical manufacturing processes. Ideal for Chemical engineering students and candidates preparing for job aptitde tests or interviews.

41.

Speisses is a mixture of the following:

A.

Arsenides of heavy metals.

B.

Antimonides of heavy metals.

C.

Arsenides & antimonides of heavy metals.

D.

Iron, cobalt and nickel.

Correct answer is A

No explanation has been provided for this answer.

42.

Chromium molybdenum steel cannot be welded using __________ welding.

A.

thermit

B.

electrical resistance

C.

oxy-acetylene

D.

any of these

Correct answer is B

No explanation has been provided for this answer.

43.

Fog is an example of colloidal system of

A.

solid dispersed in gas.

B.

solid dispersed in liquid.

C.

liquid dispersed in gas.

D.

gas dispersed in liquid.

Correct answer is C

No explanation has been provided for this answer.

44.

Which of the following type of bonding is strongly directional in solids.

A.

Vander Waal's

B.

Ionic

C.

Metallic

D.

Covalant

Correct answer is D

No explanation has been provided for this answer.

45.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

A.

nickel

B.

vanadium

C.

molybdenum

D.

chromium

Correct answer is A

No explanation has been provided for this answer.