Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases because of the Decreased viscosity of liquid Increased diffusivity None of the listed here Both Decreased viscosity of liquid & Increased diffusivity Decreased viscosity of liquid Increased diffusivity None of the listed here Both Decreased viscosity of liquid & Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of the gas is __________ the wet bulb temperature. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases does not depend upon the Nature of the components Pressure None of the listed here Temperature Nature of the components Pressure None of the listed here Temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In towers packed randomly with crushed solids In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate In towers packed randomly with crushed solids In dumped packing of regular units In towers packed with stacked packing At very high liquid flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP