Mass Transfer During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the Liquid film Liquid-gas interface None of these Gas film Liquid film Liquid-gas interface None of these Gas film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature rises Temperature falls Pressure falls Pressure rises Temperature rises Temperature falls Pressure falls Pressure rises ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 51 min 15 min 94 min 71 min 51 min 15 min 94 min 71 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reboiler load None of these Greater degree of separation with a fixed number of trays Increased reflux ratio Increased reboiler load None of these Greater degree of separation with a fixed number of trays Increased reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied by heat evolution results in Decrease in equilibrium solubility None of these Increased capacity of the absorber Increase in equilibrium solubility Decrease in equilibrium solubility None of these Increased capacity of the absorber Increase in equilibrium solubility ANSWER DOWNLOAD EXAMIANS APP
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