Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T D ∝ T1.5 D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 D ∝ T0.5 D ∝ T2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture? Bamboo Anthracite coal Rag paper Inorganic solids Bamboo Anthracite coal Rag paper Inorganic solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Wet bulb temperature Relative humidity Partial pressure of water vapor None of these Wet bulb temperature Relative humidity Partial pressure of water vapor None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio The overhead product is minimum Both the operating lines coincide with diagonal Neither A nor B Both A & B The overhead product is minimum Both the operating lines coincide with diagonal Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Adsorption Evaporation Sublimation Dehydration Adsorption Evaporation Sublimation Dehydration ANSWER DOWNLOAD EXAMIANS APP