Related Questions

Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
A 10
B 50
C 80
D 95
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
A Cutting
B Fibrillation
C Hydration
D Strengthening
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
In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of
A Concrete
B Wood
C Steel
D Porcelain
The most economical pulp for the production of newsprint would be the __________ pulp.
A Groundwood
B Sulphate
C Sulphite
D Semichemical
__________ paper is used in the manufacture of newsprint paper.
A Groundwood
B Board
C Tissue
D Wrapping
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 manufacture of Kraft pulp is done by a/an __________ process.
A Alkaline
B Acidic
C Neutral
D None of these
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
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 L atm., 800°C

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