Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. More than Equal to Half Twice More than Equal to Half Twice ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of 1.5 0.6 -0.6 -1.5 1.5 0.6 -0.6 -1.5 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 None of these Kc = Kp/RT = Km . RT/P Kc = Kp . RT = Km . RT/p Kc = Kp = Km None of these Kc = Kp/RT = Km . RT/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T2 D ∝ T1.5 D ∝ T D ∝ T0.5 D ∝ T2 D ∝ T1.5 D ∝ T D ∝ T0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve) Increases Decreases Remains unchanged None of these Increases Decreases Remains unchanged None of these ANSWER DOWNLOAD EXAMIANS APP
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