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
It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of
A CO2
B CO
C Unburnt petrol
D SO2
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
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
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
A SO3
B Cl2
C NH3
D SO2
__________ liquor is best handled in a long tube vertical evaporator.
A Foamy
B Scaling
C Viscous
D Salting
He abstains --- liquor.
A in
B for
C at
D from
Flushing liquor used for cooling coke oven gas constitutes of
A Ammoniacal liquor
B K2CO3 solution
C Dilute H2SO4
D Dilute HCl
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

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