Chemical Process Design and Integration MCQ Test - Set 05

Practice Test: Question Set - 05

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1. One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

(A) Adjust the pH of the syrup

(B) Remove the coloring matter from the syrup

(C) Reduce the viscosity of the syrup

(D) Improve the rate of crystallization of sugar

Answer: Option A

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2. Penicillin, an antibiotic drug was discovered by

(A) Alexander

(B) Flaming

(C) Doctor Zhivago

(D) None of these

Answer: Option A

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3. Celluloid is chemically

(A) Cellulose acetate

(B) Regenerated cellulose

(C) Cellulose nitrate

(D) Cellulose acetate butyrate

Answer: Option C

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4. Which of the following impurities in feed water for high pressure boiler is the most detrimental?

(A) Silica

(B) Dissolved oxygen

(C) Suspended salt

(D) Dissolved salt

Answer: Option A

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5. Sea water contains about __________ ppm of bromine.

(A) 5

(B) 70

(C) 500

(D) 1700

Answer: Option B

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6. Favorable conditions for the liquefaction of gases in general are

(A) High pressure & low temperature

(B) Low pressure & high temperature

(C) High pressure & high temperature

(D) Low pressure & low temperature

Answer: Option A

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7. Teflon is

(A) Phenol formaldehyde

(B) An inorganic polymer

(C) Poly tetra-fluoro-ethylene (P.T.F.E.)

(D) A monomer

Answer: Option C

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8. Hydrocyanic acid (HCN) is used as an insecticide for

(A) Controlling timber degradation by ants

(B) Controlling poultry lice

(C) Potato beetle

(D) Citrus fruits

Answer: Option D

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9. In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

(A) SO₃ gas is sparingly soluble in water

(B) Water forms an acid mist, which is difficult to absorb

(C) The purity of acid is affected

(D) Scale formation in the absorber is to be avoided

Answer: Option B

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10. Catalytic oxidation of toluene produces

(A) Styrene

(B) Phenol

(C) Benzene

(D) Tri-nitro-toluene

Answer: Option B

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11. Carbon disulphide is mainly used in the production of

(A) Viscose rayon

(B) Corundum

(C) Plasticizer for unsaturated polyester

(D) Paints

Answer: Option A

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12. Contact process of sulphuric acid manufacture

(A) Yields acid of higher concentration than chamber process

(B) Yields acids of lower concentration than chamber process

(C) Is obsolete

(D) Eliminates absorber

Answer: Option A

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13. Penicillin is separated from fermented broth by

(A) Extraction with amyl or butyl acetate

(B) Ternary Azeotropic distillation

(C) Evaporator in calandria

(D) Extractive distillation

Answer: Option A

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14. Chemical formula of oleum is

(A) H₂SO₃

(B) H₂SO₄

(C) H₂S₂O₇

(D) H₂SO₇

Answer: Option C

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15. Which of the following processes can remove both temporary as well as permanent hardness of water?

(A) Filtration

(B) Boiling

(C) Distillation

(D) None of these

Answer: Option C

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View All Answers

01. Answer: Option A 02. Answer: Option A 03. Answer: Option C 04. Answer: Option A 05. Answer: Option B 06. Answer: Option A 07. Answer: Option C 08. Answer: Option D 09. Answer: Option B 10. Answer: Option B 11. Answer: Option A 12. Answer: Option A 13. Answer: Option A 14. Answer: Option C 15. Answer: Option C

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