Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Decreases Increases Increases linearly Remains same Decreases Increases Increases linearly Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raoult's law is applicable to the Real solutions Non-ideal gases Ideal solutions Mixture of water and alcohol Real solutions Non-ideal gases Ideal solutions Mixture of water and alcohol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Same as "Van der Waals" adsorption A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon Same as "Van der Waals" adsorption A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer. Tunnel Tray None of these Rotary Tunnel Tray None of these Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 100 1 5 10 100 1 5 ANSWER DOWNLOAD EXAMIANS APP