Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) √P P 1/P 1/√P √P P 1/P 1/√P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ extractor is used for the concentration of radioactive nuclear waste. Pulsed column Seive plate None of the listed here Mixer-settler Pulsed column Seive plate None of the listed here Mixer-settler 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.) None of these Kc = Kp = Km Kc = Kp/RT = Km . RT/P Kc = Kp . RT = Km . RT/p None of these Kc = Kp = Km Kc = Kp/RT = Km . RT/P Kc = Kp . RT = Km . RT/p ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Remains unaffected Passes through a maximum Decreases Increases Remains unaffected Passes through a maximum Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality Relative volatility is reasonably constant Multicomponent distillation is involved Mixture (to be separated) shows positive deviation from ideality Mixture (to be separated) shows negative deviation from ideality ANSWER DOWNLOAD EXAMIANS APP
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