Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its Integral heat of adsorption Heat of normal condensation Differential heat of adsorption Heat of wetting Integral heat of adsorption Heat of normal condensation Differential heat of adsorption Heat of wetting ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in pressure, the relative volatility for a binary system Increases Either A or B, depends on the system Decreases Remains same Increases Either A or B, depends on the system Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor method is used to calculate the number of ideal stages, when Pressure drop in the column is very high Operating line lies above the equilibrium line Both operating and equilibrium lines are parallel Operating line lies below the equilibrium line Pressure drop in the column is very high Operating line lies above the equilibrium line Both operating and equilibrium lines are parallel Operating line lies below the equilibrium line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Data insufficient, cannot be predicted Decreases Increases Remains constant Data insufficient, cannot be predicted Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbant is used in the refinning of sugar? Wood charcoal Silica gel Activated clay Bone charcoal Wood charcoal Silica gel Activated clay Bone charcoal ANSWER DOWNLOAD EXAMIANS APP
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