Process Plant Design Objective Questions & Answers - Set 13 - ObjectiveBooks

Process Plant Design Objective Questions & Answers - Set 13

Practice Test: Question Set - 13


1. The major use of butadiene is
    (A) As a plasticizer for unsaturated polyester
    (B) In the manufacture of synthetic rubber
    (C) As an anti-skinning agent in paint
    (D) None of these

2. Nylon-66 is so named because the
    (A) Average degree of polymerization of the polymer is 1966
    (B) Number of carbon atoms between two nitrogen atoms are 6
    (C) Number of nitrogen atoms between two carbon atoms are 6
    (D) Polymer was first synthesised in 1966

3. Which glass is usually used in optical work?
    (A) Lead glass
    (B) High silica (borosilicate) glass
    (C) Photo-sensitive glass
    (D) Fibre glass

4. Bitterns is a/an
    (A) Unsaturated fat
    (B) Starting material for the production of iodine
    (C) By-product of chlor-alkali industry
    (D) None of these

5. Starting material for the commercial production of ethyl alcohol in India is
    (A) Rice
    (B) Molasses
    (C) Fruit of Mahua tree
    (D) Maize

6. Permanent hardness of water can be removed by
    (A) Simply boiling
    (B) Adding alum
    (C) Passing it through cation & anion exchangers
    (D) All (a), (b) and (c)

7. __________ acid is an unsaturated fatty acid.
    (A) Palmitic
    (B) Oleic
    (C) Stearic
    (D) Oxalic

8. The yield of tar from high temperature carbonization of dry coal is about __________ percent.
    (A) 3
    (B) 12
    (C) 22
    (D) 0.3

9. Which of the following paper does not require a filler during manufacture?
    (A) Bond paper
    (B) Writing paper
    (C) Blotting paper
    (D) Coloured paper

10. Main product in calcium carbide-water reaction is
    (A) Ca(OH)2
    (B) C2H2
    (C) CO2
    (D) CaCO3

11. Fourdrinier machine is used in the manufacture of
    (A) Sugar
    (B) Paper
    (C) Alcohol from molasses
    (D) Phenol formaldehyde

12. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to
    (A) Avoid mechanical weakening of fibre
    (B) Remove lignin by way of crystallization
    (C) Increase the cellulose content
    (D) None of these

13. A mineral is termed as 'ore', if
    (A) A metal can be economically extracted from it
    (B) It contains ≥ 40% metal
    (C) The metal present in it is costly
    (D) All (a), (b) and (c)

14. Thermoplastic materials
    (A) Do not soften on application of heat
    (B) Are heavily branched molecules
    (C) Are solvent insoluble
    (D) None of these

15. Na2CO3 is called
    (A) Washing soda
    (B) Soda ash
    (C) Plaster of Paris
    (D) Calcite

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