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 receptionist at a veterinary clinic reviewed the office records and found that 3 out of every 8 animals treated at the clinic during the last 4 months were cats. At this rate, how many cats will be treated during the next 12 weeks if a total 288 animals are treated ?
A 108
B 96
C 36
D 24
Sea water contains about __________ ppm of bromine.
A 5
B 70
C 500
D 1700
Bromine content in sea water may be around __________ ppm.
A 70
B 640
C 1875
D 2500
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
The major constituent of black liquor generated during paper manufacture is sodium
A Sulphate
B Carbonate
C Hydroxide
D Bi-carbonate
Black liquor generated during paper manufacture is concentrated in a
A Single effect evaporator
B Single effect evaporator followed by a crystalliser
C Multiple effect evaporator
D Multiple effect evaporators followed by a crystalliser
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
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are
A 50°C and 3 - 4 kg/cm2
B 50°C and 1 kgf/cm2
C 250°C and 10 kgf/cm2
D 250°C and 1 kgf/cm2
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to
A Flocculate the impurities
B Facilitate fast filtration
C Both A and B
D Neither A nor B

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