Chemical Grouting Process Chemical Engineering Questions - Set 34 - ObjectiveBooks

Chemical Grouting Process Chemical Engineering Questions - Set 34

Practice Test: Question Set - 34

1. Use of chlorine in the treatment of sewage
    (A) Helps in grease separation
    (B) Increases the biological oxygen demand (BOD)
    (C) Causes bulking of activated sludge
    (D) Aids in flocculation

2. Exothermic neutralization reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an
    (A) Explosive
    (B) Soap
    (C) Detergent
    (D) Analgesic drug

3. Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to
    (A) Reduce its viscosity
    (B) Increase its viscosity
    (C) Reduce the variation in its viscosity with temperature
    (D) Increase the variation in its viscosity with temperature

4. Styrene butadiene rubber (SBR) is
    (A) A natural rubber
    (B) A synthetic polymer
    (C) A synthetic monomer
    (D) Another name of silicone rubber

5. __________ is a polysaccharide.
    (A) Maltose
    (B) Starch
    (C) Sucrose
    (D) Glucose

6. Chemical name of aspirin (an analgesic drug) is
    (A) Acetylsalicylic acid
    (B) Nictonic acid
    (C) Calcium acetate
    (D) Methyl salicylate

7. A unit operation is exemplified by the process of
    (A) Reduction
    (B) Desorption
    (C) Nitration
    (D) Combustion

8. Catalytic oxidation-dehydrogenation of methyl alcohol produces
    (A) Formaldehyde
    (B) Phenol
    (C) Acetone
    (D) Maleic anhydride

9. The catalyst used in the manufacture of DDT is
    (A) Alumina
    (B) Silica
    (C) 20% oleum
    (D) Aluminium chloride

10. __________ is produced by the dehydrogenation of ethyl benzene.
    (A) Styrene
    (B) Ethyl alcohol
    (C) Cumene
    (D) Phenol

11. Raw material used in alcohol distilleries in India is
    (A) Molasses
    (B) Benzol
    (C) Methylated spirit
    (D) None of these

12. Good quality of edible salt is obtained from brine by the process of
    (A) Solar evaporation
    (B) Vacuum evaporation
    (C) Freeze drying
    (D) Electrolysis

13. The noble gas which occurs most abundantly in the atmosphere is
    (A) Helium
    (B) Neon
    (C) Krypton
    (D) Argon

14. In primitive days, __________ was being manufactured by Leblanc Process.
    (A) Alum
    (B) Washing soda
    (C) Soda ash
    (D) Calcium carbide

15. Viscose rayon
    (A) Cannot be made from sulphite pulp
    (B) Utilizes H2SO4, NaOH and CS2 during its manufacture
    (C) Cannot yield textile grade fibre
    (D) None of these

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