Chemical Process Industries Multiple Choice Test - Set 37 - ObjectiveBooks

Chemical Process Industries Multiple Choice Test - Set 37

Practice Test: Question Set - 37

1. The ideal pulp for the manufacture of paper should have high __________ content.
    (A) Cellulose
    (B) Lignin
    (C) Both (a) & (b)
    (D) None of these

2. The major constituents of glass are
    (A) Lime, clay and soda ash
    (B) Sand, lime and soda ash
    (C) Silica, alumina and clay
    (D) Silica, alumina and soda ash

3. Production of alcohol by fermentation of molasses is a/an __________ process.
    (A) Anaerobic
    (B) Aerobic
    (C) Endothermic
    (D) Both (b) and (c)

4. Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
    (A) Fertilizer manufacture
    (B) Car battery solution
    (C) Synthesis of oleum
    (D) Water treatment

5. Which of the following is not a food additive?
    (A) Citric acid
    (B) Invertage
    (C) Benzoyl peroxide
    (D) Ammonium chloride

6. Litharge is
    (A) Lead oxide
    (B) Zinc oxide
    (C) Zinc sulphide
    (D) Cellulosic photographic material

7. During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
    (A) Increase the rate of absorption
    (B) Avoid corrosion
    (C) Reduce the cooling water circulation rate
    (D) None of these

8. Comparing sulphate process with sulphite process, we find that __________ in the later.
    (A) Both temperature & pressure in the former is less than that
    (B) Both temperature & pressure in the former is more than that
    (C) Temperature is more in the former whereas pressure is more
    (D) Pressure is more in the former whereas temperature is less

9. Pick out the correct statement.
    (A) A fat is converted into oil by its hydrogenation
    (B) There is no difference between a fat and an oil so far as its physical properties are concerned
    (C) All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms
    (D) Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content

10. Acetone is produced by catalytic dehydrogenation of
    (A) Phenol
    (B) Naphthalene
    (C) Isopropanol
    (D) Ethyl benzene

11. Coal tar is used as a
    (A) Binding material for coal briquettes
    (B) Fuel in rotary kiln
    (C) Binder in making carbon electrodes
    (D) All (a), (b) and (c)

12. Which form of sulphur is the most stable at room temperature?
    (A) Plastic
    (B) Monoclinic
    (C) Rhombic
    (D) Flowers of sulphur

13. With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
    (A) Increases
    (B) Increases linearly
    (C) Decreases
    (D) Decreases linearly

14. Glycerine is not used in the
    (A) Manufacture of explosive
    (B) Conditioning and humidification of tobacco
    (C) Manufacture of pharmaceuticals
    (D) None of these

15. Dacron is a/an
    (A) Polyester
    (B) Unsaturated polyester
    (C) Polyamide
    (D) Inorganic polymer

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