A. 10
B. 50
C. 80
D. 95
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 grade bamboo contains about _______________ percent cellulose ?
A. 5
B. 20
C. 40
D. 60 - 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 - The ideal pulp for the manufacture of paper should have high ____________________ content?
A. Cellulose
B. Lignin
C. Both A. & B.
D. None of these - Cellulose percentage in bamboo fibre is about_________________?
A. 10
B. 20
C. 50
D. 85 - ______________ paper is used in the manufacture of newsprint paper ?
A. Ground-wood
B. Board
C. Tissue
D. Wrapping - Production of one ton of dry paper pulp requires about ___________________ tons of bamboo or wood?
A. 1
B. 2.5
C. 5
D. 10 - Sucrose content in the raw juice extracted from sugar cane is about _________________ percent?
A. 1 – 2
B. 15 – 20
C. 50 – 60
D. 80 – 85 - Which of the following is not a raw material used for the manufacture of ordinary glass ?
A. Iron oxide
B. Soda ash
C. Limestone
D. Silica - Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and___________________?
A. Sulphuric acid
B. Phosphoric acid
C. Hydrochloric acid
D. Hydrofluoric acid