Mass Transfer During the constant rate period of drying of a solid, Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for the separation of components Having very close boiling points Which form maximum boiling azeotrope Which form minimum boiling azeotrope Having very wide boiling points Having very close boiling points Which form maximum boiling azeotrope Which form minimum boiling azeotrope Having very wide boiling points ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Pr x St Sc x Pr Sh x Pr St x Sh Pr x St Sc x Pr Sh x Pr St x Sh ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Temperature remains unaffected Temperature always increases Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve Temperature remains unaffected Temperature always increases Operating line always lies above the equilibrium curve Operating line always lies below the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large free cross-section Large weight of liquid retained Large surface per unit volume Low weight per unit volume Large free cross-section Large weight of liquid retained Large surface per unit volume Low weight per unit volume 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%). 94 min 15 min 51 min 71 min 94 min 15 min 51 min 71 min ANSWER DOWNLOAD EXAMIANS APP
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