Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is 1 ∞ > 1 1 ∞ > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Increases the scale forming tendencies of water Is undesirable All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water Is undesirable All of these Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Pr x St St x Sh Sc x Pr Sh x Pr Pr x St St x Sh Sc x Pr Sh x Pr ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp = M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.) Kc = Kp . RT = Km . RT/p Kc = Kp = Km Kc = Kp/RT = Km . RT/P None of these Kc = Kp . RT = Km . RT/p Kc = Kp = Km Kc = Kp/RT = Km . RT/P None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Reduce the overall pressure drop Reduce liquid hold-up Avoid channelling Avoid flooding Reduce the overall pressure drop Reduce liquid hold-up Avoid channelling Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Partial pressure of vapour Dry bulb temperature Wet bulb temperature None of these Partial pressure of vapour Dry bulb temperature Wet bulb temperature None of these ANSWER DOWNLOAD EXAMIANS APP
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