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

Related Mcqs:

1. Production of one ton of cement requires about _______________ tons of limestone ?

   A. 0.6 B. 1.2 C. 2.2 D. 3.8...

2. 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...

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

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

5. 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...

6. Paper grade bamboo contains about _______________ percent cellulose ?

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

7. 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...

8. Commercial production of soda ash by Solvay process requires limestone, ___________________ as raw materials?

   A. Coke and sand B. Brine and coal C. Coke and caustic soda D. None of these...

9. Bleaching of paper pulp is done with__________________?

   A. Activated clay B. Bromine C. Chlorine or chlorine dioxide D. Magnesium sulphite...

10. 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...