Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/t) (4De/πt)1/2 (De/t)1/2 (De.t)1/2 (4De/t) (4De/πt)1/2 (De/t)1/2 (De.t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs. log T P vs . log T Log P vs . T T vs . P Log P vs. log T P vs . log T Log P vs . T T vs . P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T³ T √T T² T³ T √T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the feed to a distillation column is a saturated liquid, slope of the feed line is Zero Unity Infinity None of these Zero Unity Infinity None of these 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 Insoluble in the liquid Soluble in the liquid Non-ideal in nature At a fixed temperature Insoluble in the liquid Soluble in the liquid Non-ideal in nature ANSWER DOWNLOAD EXAMIANS APP
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