Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid Does not change with time Decreases with time Increases with time Does not affect the moisture content of the wet solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. None of these Tray Freeze Rotary None of these Tray Freeze Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is +ve -ve ∞ +ve -ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) 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 Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Viscosity with concentration Degree of ideality of the solution Neither A nor B Both A & B Viscosity with concentration Degree of ideality of the solution Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbent is used to decolourise yellow glycerine? Silica gel Fuller Activated carbon Alumina Silica gel Fuller Activated carbon Alumina ANSWER DOWNLOAD EXAMIANS APP
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