Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Increase both 'G' and 'S' Decrease both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Increase both 'G' and 'S' Decrease both 'G' and 'S' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but the air flow rate should be excessively high No Yes Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high No Yes Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ro) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 1 100 5 10 1 100 5 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 1 5 to 10 > 10 1 to 5 1 5 to 10 > 10 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 71 min 51 min 94 min 15 min 71 min 51 min ANSWER DOWNLOAD EXAMIANS APP