Related Questions

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
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
One who totally abstains from alcoholic drinks
A Puritan
B Samaritan
C Pedant
D Teetotaller
Liquor poisoning generally occurs due to the presence of __________ in it.
A Ethyl alcohol
B Impurities
C Methyl alcohol
D Carbonic acid
Flushing liquor used for cooling coke oven gas constitutes of
A Ammoniacal liquor
B K2CO3 solution
C Dilute H2SO4
D Dilute HCl
The type of liquor circulation system to be ' employed in evaporators (viz. natural or forced circulation) is determined mainly by the __________ of the liquid.
A Viscosity
B Density
C Thermal conductivity
D Corrosive nature
Increasing the liquor level in the evaporator results in the
A Decreased capacity
B Increase in liquor film co-efficient
C Decreased effect of hydrostatic head
D Increased true temperature drop
For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in
A Increased economy
B Decreased economy
C Lower capacity
D No effect on economy
In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
A Velocity of circulation
B Liquor-film co-efficient
C Both A and B
D Neither A and B
Cadmium in zinc leach liquor is removed by cementation using
A zinc
B iron
C nickel
D copper

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