Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is At a fixed temperature Non-ideal in nature Soluble in the liquid Insoluble in the liquid At a fixed temperature Non-ideal in nature Soluble in the liquid Insoluble in the liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve. 100 78 50 None of these 100 78 50 None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. 25 < 25 > 25 -25 25 < 25 > 25 -25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, None of these Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly Cracks develop on the surface of the solid None of these Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Flux = Co-efficient/concentration difference None of the listed here Co-efficient = Flux/concentration difference Flux=concentration difference/co-effi-cient Flux = Co-efficient/concentration difference None of the listed here Co-efficient = Flux/concentration difference Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP
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