Chemical Process Design and Integration MCQ Test - Set 05 - ObjectiveBooks

Chemical Process Design and Integration MCQ Test - Set 05

Practice Test: Question Set - 05

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

2. Penicillin, an antibiotic drug was discovered by
    (A) Alexander
    (B) Flaming
    (C) Doctor Zhivago
    (D) None of these

3. Celluloid is chemically
    (A) Cellulose acetate
    (B) Regenerated cellulose
    (C) Cellulose nitrate
    (D) Cellulose acetate butyrate

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

5. Sea water contains about __________ ppm of bromine.
    (A) 5
    (B) 70
    (C) 500
    (D) 1700

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

7. Teflon is
    (A) Phenol formaldehyde
    (B) An inorganic polymer
    (C) Poly tetra-fluoro-ethylene (P.T.F.E.)
    (D) A monomer

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

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

10. Catalytic oxidation of toluene produces
    (A) Styrene
    (B) Phenol
    (C) Benzene
    (D) Tri-nitro-toluene

11. Carbon disulphide is mainly used in the production of
    (A) Viscose rayon
    (B) Corundum
    (C) Plasticizer for unsaturated polyester
    (D) Paints

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    (C) Is obsolete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

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

14. Chemical formula of oleum is
    (A) H2SO3
    (B) H2SO4
    (C) H2S2O7
    (D) H2SO7

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

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