Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 > 10 1 5 to 10 1 to 5 > 10 1 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Durability Porosity Cost Size Durability Porosity Cost Size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The critical moisture content in case of drying indicates the __________ rate period. Beginning of falling None of these Beginning of constant End of falling Beginning of falling None of these Beginning of constant End of falling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humid volume is the total volume in m³ of 1 kg of Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Vapour laden gas at 1 atm. and room temperature Gas plus its accompanying vapour at 1 atm. and room temperature Vapour laden gas at 1 atm. and gas temperature Gas plus its accompanying vapour at 1 atm. and gas temperature Vapour laden gas at 1 atm. and room temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Using higher reflux ratio Use of increased tray spacing Increasing the liquid flow rate Increasing the vapour flow rate Using higher reflux ratio Use of increased tray spacing Increasing the liquid flow rate Increasing the vapour flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Low weight per unit volume Large weight of liquid retained Large free cross-section Large surface per unit volume Low weight per unit volume Large weight of liquid retained Large free cross-section Large surface per unit volume ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS