Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schimdt number and Lewis number for pure air at atmospheric conditions are respectively >1 and ≈ 1 1 and 0 < 1 and ≈ 1 0 and ≈ 1 >1 and ≈ 1 1 and 0 < 1 and ≈ 1 0 and ≈ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler Increases And the heat required in reboiler decreases Remains unaffected Decreases Increases And the heat required in reboiler decreases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is required in a cooling tower to replace the water lost by Blowdown and leakage All of these Evaporation Drift Blowdown and leakage All of these Evaporation Drift ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.215 0.017 0.31 0.107 0.215 0.017 0.31 0.107 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is High temperature distillation Both B and C Very low pressure distillation For heat-sensitive materials High temperature distillation Both B and C Very low pressure distillation For heat-sensitive materials ANSWER DOWNLOAD EXAMIANS APP
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