Mass Transfer When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal. < 1 1 ? > 1 < 1 1 ? > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) F/(FG.a) (G.a)/FG FG/(G.a) L/(FG.G) F/(FG.a) (G.a)/FG FG/(G.a) L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Heat sensitive materials Azeotropes Mixtures of low relative volatility High boiling substances from nonvolatile impurities Heat sensitive materials Azeotropes Mixtures of low relative volatility High boiling substances from nonvolatile impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in pressure, the relative volatility for a binary system Remains same Either A or B, depends on the system Decreases Increases Remains same Either A or B, depends on the system Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Increases the scale forming tendencies of water All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable Increases the scale forming tendencies of water All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Is undesirable ANSWER DOWNLOAD EXAMIANS APP
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