Mass Transfer Drying operation under vacuum is carried out to Increase drying temperature Reduce drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Increase drying temperature Reduce drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Both A & B Neither A nor B Height < 6 Diameter < 0.6 Both A & B Neither A nor B Height < 6 Diameter < 0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is All of these Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' Directly proportional to 'T1.5' All of these Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' Directly proportional to 'T1.5' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is None of these Infinity Zero Unity None of these Infinity Zero Unity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of All of these Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping Improved flooding characteristics All of these Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping Improved flooding characteristics ANSWER DOWNLOAD EXAMIANS APP