Related Questions

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
Paper pulp produced by kraft/sulphate process is
A Bleached easily
B Dull white in color
C Strong fibrous
D Dark colored
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
In the kraft (sulphate) process for the paper manufacture, the digestor is made of
A Cast iron
B Stainless steel
C Karbate carbon
D Wrought iron
The most economical pulp for the production of newsprint would be the __________ pulp.
A Groundwood
B Sulphate
C Sulphite
D Semichemical
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
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
The ideal pulp for the manufacture of paper should have high __________ content.
A Cellulose
B Lignin
C Both A & B
D None of these
Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.
A Cutting
B Fibrillation
C Hydration
D Strengthening
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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