Paper pulp produced by Kraft/sulphate process is__________________ ?

Related Mcqs:

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

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

2. 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

3. 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

4. In sulphate pulp manufacture, the pressure and temperature in the digestor is____________________?

   A. 10 atm., 800 °C
   B. 10 atm., 170-180°C
   C. 1 atm., 170 – 180°C
   D. 1 atm., 800°C

5. 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

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

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

7. Comparing sulphate process with sulphite process, we find that ______________ in the later ?

   A. Both temperature & pressure in the former is less than that
   B. Both temperature & pressure in the former is more than that
   C. Temperature is more in the former whereas pressure is more
   D. Pressure is more in the former whereas temperature is less

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

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

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

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

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

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