Mass Transfer In a counter-current liquid extractor Only one of the liquids may be pumped at any desired rate Both liquids can have any desired flow rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure Only one of the liquids may be pumped at any desired rate Both liquids can have any desired flow rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = 1 NSc = NLe NSc = NPr = NLe NPr = NLe NSc = 1 NSc = NLe NSc = NPr = NLe NPr = NLe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Small dia distillation column can be a Sieve tray Packed column Bubble cap Any of these Sieve tray Packed column Bubble cap Any of these 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%). 71 min 15 min 51 min 94 min 71 min 15 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Always more than the point efficiency Same as the Murphree efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Always more than the point efficiency Same as the Murphree efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture Present in overhead stream Of high viscosity to give high tray efficiency Of high volatility Added to alter the relative volatility of the mixture Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
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