Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Flow rate of inlet air Relative humidity of outlet air Humidity of inlet air Temperature of the solid Flow rate of inlet air Relative humidity of outlet air Humidity of inlet air Temperature of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Wet bulb temperature Partial pressure of vapour Relative humidity None of these Wet bulb temperature Partial pressure of vapour Relative humidity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for separating the constituents of a binary system, which Have very wide boiling points Form constant boiling azeotrope Form minimum boiling azeotrope Have very close boiling points Have very wide boiling points Form constant boiling azeotrope Form minimum boiling azeotrope Have very close boiling points ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P >>P P < P P = P P P >>P P < P P = P P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Increase/decrease ; depends on the temperature Increase Decrease Remain unchanged Increase/decrease ; depends on the temperature Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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