Related Questions

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 > 30
C 50
Paper grade bamboo contains about __________ percent cellulose.
A 5
B 20
C 40
D 60
The price of raw meterials had gone up by 15% labor cost has also increased from 25% of the cost of ras material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?
A 28%
B 17%
C 27%
D 24%
Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent.
A 55
B 70
C 80
D 90
The ideal pulp for the manufacture of paper should have high __________ content.
A Cellulose
B Lignin
C Both A & B
D None of these
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
Cellulose percentage in bamboo fibre is about
A 10
B 20
C 50
D 85
Cellulose content in bomboo fibre is about __________ percent.
A 10
B 20
C 50
D 85
Price of paper has increased by 20%. Approximately, what percent of the paper usage must be curtailed so that the expenditure for paper remains the same?
A 8.66%
B 12.33%
C 16.66%
D 17.33%
__________ paper is used in the manufacture of newsprint paper.
A Groundwood
B Board
C Tissue
D Wrapping

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