Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 1.25 to 2.0 0.5 to 0.8 0.8 to 1.2 2.5 to 3.5 1.25 to 2.0 0.5 to 0.8 0.8 to 1.2 2.5 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon Characterised by adsorption of heat ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reverse osmosis is also called Dialysis Ultrafiltration Diffusion Electrodilysis Dialysis Ultrafiltration Diffusion Electrodilysis ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Increases Decreases Exponentially increases Does not affect Increases Decreases Exponentially increases Does not affect ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Both of the options given here Dew point < wet bulb temperature Wet bulb temperature < dry bulb temperature None of the listed here Both of the options given here Dew point < wet bulb temperature Wet bulb temperature < dry bulb temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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