A. Impart resistance to penetration by liquids
B. Increase its thickness
C. Increase its flexibility & opacity
D. Increase its brightness
Related Mcqs:
- 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 - ______________ paper is used in the manufacture of newsprint paper ?
A. Ground-wood
B. Board
C. Tissue
D. Wrapping - Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?
A. 10
B. 50
C. 80
D. 95 - Flux addition during smelting of ore is done to___________________?
A. Remove impurities/gangue
B. Enhance rate of reaction
C. Accelerate reduction of ore
D. Separate slag from metal - The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to___________________?
A. Avoid mechanical weakening of fibre
B. Remove lignin by way of crystallisation
C. Increase the cellulose content
D. None of these - The terminology ‘BTX’ used in coal tar distillation industry refers to___________________?
A. Benzol-toluol-xylol
B. Benzol-toluene-xylene
C. Benzene-toluol-xylol
D. Benzene-toluene-xylene - Rosin soap is added during paper manufacture to____________________?
A. Impart adhesive properties
B. Improve opacity
C. Impart resistance to penetration by liquids
D. None of these - ‘Hollander beater’ machine used in the paper manufacturing plant does not accomplish the task of____________________?
A. Final rolling out of paper
B. Cutting of fibres
C. Hydration of fibres
D. Fibrillation of fibre - Paper grade bamboo contains about _______________ percent cellulose ?
A. 5
B. 20
C. 40
D. 60 - The major constituent of black liquor generated during paper manufacture is sodium___________________?
A. Sulphate
B. Carbonate
C. Hydroxide
D. Bi-carbonate
