Mass Transfer Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number. Stanton Peclet Schmidt Sherwood Stanton Peclet Schmidt Sherwood ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Increasing the air velocity over the wet surfaces None of these Lowering the barometric pressure Reducing the humidity of entering air Increasing the air velocity over the wet surfaces None of these Lowering the barometric pressure Reducing the humidity of entering air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Increases exponentially Increases Decreases Remains unchanged Increases exponentially Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the Number of plates required will be maximum None of these Concentration of liquid and vapour leaving a plate will be same Reflux ratio will be maximum Number of plates required will be maximum None of these Concentration of liquid and vapour leaving a plate will be same Reflux ratio will be maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these Actual humidity to saturation humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Heating only Humidification only Evaporative cooling Both heating and humidification Heating only Humidification only Evaporative cooling Both heating and humidification ANSWER DOWNLOAD EXAMIANS APP
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