Mass Transfer Drying operation under vacuum is carried out to Dry those materials which have very high unbound mositure content Reduce drying temperature Increase drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Reduce drying temperature Increase drying temperature Dry materials having high bound moisture content ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Affected more by temperature than that for gases None of these Not affected by the temperature Affected much less by temperature than that for gases Affected more by temperature than that for gases None of these Not affected by the temperature Affected much less by temperature than that for gases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'G' and decrease 'S' Increase 'S' and decrease 'G' Decrease both 'G' and 'S' Increase both 'G' and 'S' Increase 'G' and decrease 'S' Increase 'S' and decrease 'G' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Constant boiling mixture Mixture with very high relative volatility Heat sensitive materials High boiling mixture Constant boiling mixture Mixture with very high relative volatility Heat sensitive materials High boiling mixture ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Perforated plate towers are unique for solvent extraction because, they provide Repeated coalescence & redispersion of the drop phase Better contact of the phase Higher contact area None of these Repeated coalescence & redispersion of the drop phase Better contact of the phase Higher contact area None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity ANSWER DOWNLOAD EXAMIANS APP