Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (4De/πt)1/2 (4De/t) (De.t)1/2 (De/t)1/2 (4De/πt)1/2 (4De/t) (De.t)1/2 (De/t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches None of these That of normal condensation Zero Integral heat of adsorption None of these That of normal condensation Zero Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of sugar is done in a __________ dryer. Tray Spouted bed Rotary Truck Tray Spouted bed Rotary Truck ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Wet bulb temperature Relative humidity Both B and C Partial pressure of vapour Wet bulb temperature Relative humidity Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Have high viscosity to provide high tray efficiency Have high latent heat of vaporisation Form a low boiling azeotrope with one of the constituents of the mixture Form a new azeotrope of low relative volatility with one of the constituents of the mixture Have high viscosity to provide high tray efficiency Have high latent heat of vaporisation Form a low boiling azeotrope with one of the constituents of the mixture Form a new azeotrope of low relative volatility with one of the constituents of the mixture ANSWER DOWNLOAD EXAMIANS APP
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