Bleaching of paper pulp is done with__________________?

Related Mcqs:

1. Bleaching action of bleaching powder is due to its _____________ properties ?

   A. Reducing
   B. Oxidising
   C. Disinfecting
   D. None of these

2. The end bleaching agent used to move last traces of colour bodies from the pulp is ____________________?

   A. Chlorine dioxide (ClO2)
   B. MgO
   C. SO2 gas
   D. Mercaptans

3. The most economical pulp for the production of newsprint would be the _____________________ pulp?

   A. Ground-wood
   B. Sulphate
   C. Sulphite
   D. Semi-chemical

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

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

5. 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?

   A. 75
   B. < 10
   C. > 30
   D. 50

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

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

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

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

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

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

9. 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

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

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