Q. If the time taken for the moisture removal is obtained from the formula

Time = Ss(Xc – Xe)/ Nc * A ln ((X1-Xe)/(X2-Xe))

then the falling curve will be curves symmetrically

Where, Ss= Wet solid weight
Xc,Xe- constant & equilibrium moisture content
X1,X2 – initial and final moisture content

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Q. There will be a change in the rate of drying of a batch process after the constant drying process.

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Q. Falling rate period of the batch drying curve = _______ + ___________

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Q. Find the region if the final and the initial moisture content are 40% and 30% (Dry basis) and the critical moisture content is 45%.

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Q. Find the moisture to be evaporated per kg of dried product if initial and final moisture content per kg of dry solid is 85% and 15%.

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Q. Convert 80% of moisture in wet basis to dry basis ( kg water/kg dry solid)

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Q. If the equilibrium vapour pressure is lower than pure liquid pressure then the moisture content is ___________

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Q. The substance moisture exerts equilibrium vapour pressure equals to vapour pressure of liquid is ________

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Q. The moisture which can be evaporated is bound moisture.

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Q. The method of drying by conduction through materials are done by _________

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Q. The substance like food stuff, pharma products are dried by _______ drying.

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Q. The name of the curve between relative humidity and moisture content is equilibrium moisture curve.

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Q. Convert 5 kg of moisture /kg of dry solid to wet basis.

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Q. Moisture removal from a material/ compound is known as drying.

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Q. The solution can be dried by spraying droplets in a cold gas.

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Q. On spraying the liquid over gas leads to ____________

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Q. The removal of acetone from acetone-benzene mixture is drying.

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Q. The additional operation requires for drying gas and liquid is _________

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Q. The moisture in the solid after attaining equilibrium is known as

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Q. The hysteresis of drying is due to humidification and dehumidification.

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