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Mass Transfer

Mass Transfer
Mass transfer co-efficient varies as DAB0.5, according to the __________ theory.

Penetration
Surface renewal
None of these
Film

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Mass Transfer
Boiling point diagram is not affected by the ambient

Both B and C
Humidity
Pressure
Temperature

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Dehumidified
Humidified
Cooled
Both A & B

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

Slightly concave upward
Slightly concave downward
Straight line
None of these

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Mass Transfer
Molecular seives are porous

Synthetic zeolites crystals/metal alumino-silicates
Alumina
Silica
None of these

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Mass Transfer
In rectifying section of a continuous distillation column, the

Liquid is stripped of high boilers
Vapour is enriched with high boilers
None of these
Vapour is enriched with low boilers

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