Chemical Engineering - Chemical Process

6. 

Paper pulp produced by kraft/sulphate process is

A. bleached easily
B. dull white in color
C. strong fibrous
D. dark colored

Answer: Option C

Explanation:

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7. 

Claude process of gas liquefaction employs

A. merely compression of gas beyond its critical pressure.
B. Joule-Thomson expansion cooling.
C. heat exchange with colder stream.
D. adiabatic expansion against a piston or in a turbine.

Answer: Option D

Explanation:

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8. 

The main use of HCl is in the

A. drilling of petroleum wells and pickling of steel sheets.
B. manufacture of cationic detergent.
C. treatment of spent fuel of nuclear reactor.
D. none of these.

Answer: Option A

Explanation:

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9. 

The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction.

A. exothermic
B. endothermic
C. catalytic
D. autocatalytic

Answer: Option B

Explanation:

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10. 

Viscose rayon is chemically

A. cellulose nitrate
B. regenerated cellulose nitrate
C. cellulose acetate
D. regenerated cellulose acetate

Answer: Option D

Explanation:

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