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Mass Transfer

Mass Transfer
Ion exchange process is similar to

Adsorption
Extraction
Leaching
Absorption

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Mass Transfer
For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same.

Constant rate
Neither A nor B
Both A & B
Unsaturated surface

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Mass Transfer
Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and

Humidified at constant wet bulb temperature
Humidified with wet bulb temperature decreasing
None of these
Dehumidified

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Mass Transfer
Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve)

S₂/S₁
S₁/S₂
S₁ - S₂
S₁ x S₂

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Mass Transfer
Which of the following operations does not involve leaching?

Dissolving pharmaceutical products from bark or roots
Dissolving sugar from the cells of the beet
Dissolving gold from ores
Removing nicotine from its water solution by kerosene

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Mass Transfer
Leaching of coarse solid lumps is also termed as

Percolation
Decoction
Dissolution
Agitation and settling

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MORE MCQ ON Mass Transfer

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