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

Related Mcqs:

1. 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...

2. Digestion of wood-base materials (for manufacture of pulp) is done to __________________?

   A. Remove lignin B. Produce long fibres C. Prevent deterioration on storage D. None of these...

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

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

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

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

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

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

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

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

7. The manufacture of Kraft pulp is done by a/an _________________ process?

   A. Alkaline B. Acidic C. Neutral D. None of these...

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

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

9. In Kraft process of paper manufacture, white cooking liquor consists of caustic soda________________?

   A. Sodium sulphide & sodium carbonate B. Sodium sulphite & sodium carbonate C. Sodium sulphite & sodium sulphide D. None of these...

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

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