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
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
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
The manufacture of Kraft pulp is done by a/an __________ process.
A Alkaline
B Acidic
C Neutral
D None of these
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
Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with
A Acidic refractory
B Rubber
C Karbate
D Lead or acid-proof bricks
__________ paper is used in the manufacture of newsprint paper.
A Groundwood
B Board
C Tissue
D Wrapping
ক্রাফট প্রসেস (Kraft Process) কোন শিল্প ক্ষেত্রে ব্যবহৃত হয়?
A সিমেন্ট
B সাবান
C কাগজ
D বস্ত্র
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%

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