Chemical Process Safety Engineering Questions Answers - Set 14 - ObjectiveBooks
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Chemical Process Safety Engineering Questions Answers - Set 14

Practice Test: Question Set - 14

1. Flexible foam (for mattresses) is usually made of
    (A) PVC
    (B) Silicone
    (C) Polyurethanes
    (D) Polyamides

2. Hydrogenation of oil takes place in a/an __________ reactor.
    (A) Autothermal
    (B) Trickle bed
    (C) Plug flow
    (D) None of these

3. Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo?
    (A) Depithing
    (B) Digestion
    (C) Bleaching
    (D) None of these

4. Salt is the basic raw material for the manufacture of
    (A) Cement
    (B) Glass
    (C) Potteries
    (D) Caustic soda

5. The most widely used coagulant for removing suspended impurities from water is
    (A) Bleaching powder
    (B) Chlorine
    (C) Calcium sulphate
    (D) Alum

6. Glycerine is recovered from lye by
    (A) Evaporation followed by vacuum distillation
    (B) Liquid extraction technique
    (C) Extractive distillation technique
    (D) None of these

7. Iron ore hematite is concentrated using
    (A) Electromagnetic separation mainly
    (B) Gravity separation
    (C) Froth floatation
    (D) Roasting

8. Which of the following is not an antibiotic?
    (A) Penicillin
    (B) Streptomycin
    (C) Tetracycline
    (D) Quinine

9. Which of the following is an unsaturated fatty acid?
    (A) Lauric acid
    (B) Palmitic acid
    (C) Stearic acid
    (D) Oleic acid

10. Enzymes are organic catalysts used in the __________ reactions.
    (A) Chemical
    (B) Biochemical
    (C) Photochemical
    (D) Electrochemical

11. Percentage of glycerine present in the spent lye obtained during soap manufacture is about
    (A) 0.5
    (B) 5
    (C) 20
    (D) 35

12. Rosin soap is added during paper manufacture to
    (A) Impart adhesive properties
    (B) Improve opacity
    (C) Impart resistance to penetration by liquids
    (D) None of these

13. High purity nitrogen is used in
    (A) Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils
    (B) Fire fighting purposes
    (C) Both (a) & (b)
    (D) Neither (a) nor (b)

14. Solvay process is used for the manufacture of
    (A) Caustic soda
    (B) Soda ash
    (C) Caustic potash
    (D) Soda lime

15. 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

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