Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 5 to 10 1 > 10 1 to 5 5 to 10 1 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is 0.5 1 2 ∞ 0.5 1 2 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Diffusion Both A & B Bulk flow Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be Both A & B Dehumidified Humidified Cooled Both A & B Dehumidified Humidified Cooled ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column None of these Increases in winter Increases in summer Decreases in winter None of these Increases in winter Increases in summer Decreases in winter ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 - Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP
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