Mass Transfer Large scale drying of wheat is done in a __________ dryer. Fluidised bed Spouted bed Tray Vacuum rotary Fluidised bed Spouted bed Tray Vacuum rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 10-5 to 10-6 0.01 > 1 0.1 10-5 to 10-6 0.01 > 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with maximum boiling azeotrope at 1 atm. Benzene-ethyl alcohol Acetone chloroform Ethyl alcohol-water None of these Benzene-ethyl alcohol Acetone chloroform Ethyl alcohol-water None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Both A & B Gas Liquid Neither A nor B Both A & B Gas Liquid Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is Dependent on the molecular volume & molecular weight of components All of these Inversely proportional to 'P' Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components All of these Inversely proportional to 'P' Directly proportional to 'T1.5' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP