Mass Transfer Deairation (removal of O₂) of water is done by Absorption Ion-exchange Rectification Adsorption Absorption Ion-exchange Rectification Adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is 2 1 ∞ 0.5 2 1 ∞ 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Large number of trays All of these Decreased solute solubility Large minimum liquid to gas (L/G) ratio Large number of trays All of these Decreased solute solubility Large minimum liquid to gas (L/G) ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be More Equal Either A or B; depends on the packing height Less More Equal Either A or B; depends on the packing height Less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is not recommended to be used, if the Azeotropic mixture is to be separated and the final product is miscible with water Liquids decompose, if distilled directly at atmospheric pressure Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature Azeotropic mixture is to be separated and the final product is miscible with water Liquids decompose, if distilled directly at atmospheric pressure Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Relative humidity None of these Wet bulb temperature Partial pressure of vapour Relative humidity None of these Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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