Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Unbound Bound Critical Free Unbound Bound Critical Free ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 9 1 10 8 9 1 10 8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Door classifier can be used for leaching of coarse solids Fine solids can not be leached in a Pachuka tank Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Very high temperature is not needed for the leaching of sugar beet Door classifier can be used for leaching of coarse solids Fine solids can not be leached in a Pachuka tank Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Very high temperature is not needed for the leaching of sugar beet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 7 0.7 70 150 7 0.7 70 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of wheat is done in a __________ dryer. Vacuum rotary Spouted bed Tray Fluidised bed Vacuum rotary Spouted bed Tray Fluidised bed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 2000 1000 1500 2500 2000 1000 1500 2500 ANSWER DOWNLOAD EXAMIANS APP