Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about _____________ percent?

Related Mcqs:

1. Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?

   A. 10
   B. 50
   C. 80
   D. 95

2. Production of one ton of dry paper pulp requires about ___________________ tons of bamboo or wood?

   A. 1
   B. 2.5
   C. 5
   D. 10

3. Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the _____________ process?

   A. Mechanical
   B. Sulphate/Kraft
   C. Sulphite
   D. Neutral sulphite semi-chemical

4. 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

5. Paper grade bamboo contains about _______________ percent cellulose ?

   A. 5
   B. 20
   C. 40
   D. 60

6. Paper pulp produced by Kraft/sulphate process is__________________ ?

   A. Bleached easily
   B. Dull white in color
   C. Strong fibrous
   D. Dark colored

7. Caprolactam (a raw material for nylon-6 manufacture) is produced from ___________________?

   A. Phenol
   B. Naphthalene
   C. Benzene
   D. Pyridine

8. The ideal pulp for the manufacture of paper should have high ____________________ content?

   A. Cellulose
   B. Lignin
   C. Both A. & B.
   D. None of these

9. Hollander beater used during paper pulp manufacture does not facilitate the ______________ of fiber?

   A. Cutting
   B. Fibrillation
   C. Hydration
   D. Strengthening

10. ______________ paper is used in the manufacture of newsprint paper ?

    A. Ground-wood
    B. Board
    C. Tissue
    D. Wrapping