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Mass Transfer

Mass Transfer
Paper industry employs __________ driers.

Spray
Rotary
Fluidised bed
Cylinder

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Mass Transfer
As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages

Can either increase or decrease, depends on the system
Decrease
Remain unchanged
Increase

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Mass Transfer
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre.

Strength
None of the listed here
Thermal conductivity
Electrical resistance

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Mass Transfer
Drift in a cooling tower is

Desirable
Dependent on the water lost by evaporation
All of these
The water entrained by the circulating air

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

Exponentially
Inversely
None of these
Linearly

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Mass Transfer
The humid volume may be increased by increasing the

Humidity at constant temperature
Both A & B
Neither A nor B
Temperature at constant humidity

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