Mass Transfer Leaching of sugar from sugar beets is done by Lime water Dilute H₂SO₄ Hexane Hot water Lime water Dilute H₂SO₄ Hexane Hot water 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 51 min 15 min 94 min 71 min 51 min 15 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, None of these Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying None of these Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids None of these Depend on the humidity of the gas Are same Are different None of these Depend on the humidity of the gas Are same Are different ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than that computed for ideality Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components ANSWER DOWNLOAD EXAMIANS APP
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