Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of None of these Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity None of these Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Neither A nor B Gas Both A & B Liquid Neither A nor B Gas Both A & B Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower All of these Increases the scale forming tendencies of water Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities All of these Increases the scale forming tendencies of water Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Forms a low boiling azeotrope Forms a high boiling azeotrope Is of low volatility Does not alter the relative volatility of the original components Forms a low boiling azeotrope Forms a high boiling azeotrope Is of low volatility Does not alter the relative volatility of the original components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Schmidt number Prandtl number Sherwood number Lewis number Schmidt number Prandtl number Sherwood number Lewis number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat and momentum Heat and mass Mass and momentum Heat, momentum and mass Heat and momentum Heat and mass Mass and momentum Heat, momentum and mass ANSWER DOWNLOAD EXAMIANS APP
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