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
The major constituent of black liquor generated during paper manufacture is sodium
A Sulphate
B Carbonate
C Hydroxide
D Bi-carbonate
In a city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city has neither black hair nor black eyes?
A 35
B 40
C 45
D 50
In a certain city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city have neither black hair nor black eyes?
A 35
B 40
C 45
D 50
Black liquor is converted into white liquor by
A Evaporation and burning the concentrate followed by causticisation of products
B Multi-effect evaporation only
C Selective liquid extraction
D Extractive distillation
How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?
A 8
B 6
C 7
D 9
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
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
A SO3
B Cl2
C NH3
D SO2
__________ paper is used in the manufacture of newsprint paper.
A Groundwood
B Board
C Tissue
D Wrapping
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

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