Mass Transfer In liquid-liquid extraction, the number of phases at plait point is 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During sensible cooling process Relative humidity increases Relative humidity decreases Both B and C Wet bulb temperature decreases Relative humidity increases Relative humidity decreases Both B and C Wet bulb temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 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? Evaporative cooling Humidification only Both heating and humidification Heating only Evaporative cooling Humidification only Both heating and humidification Heating only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Small cross-section column Low reflux ratio Less number of trays High reflux ratio Small cross-section column Low reflux ratio Less number of trays High reflux ratio 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%). 15 min 71 min 51 min 94 min 15 min 71 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
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