Mass Transfer Which of the following adsorbent is used to decolourise yellow glycerine? Fuller Silica gel Alumina Activated carbon Fuller Silica gel Alumina Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase 'S' and decrease 'G' Increase both 'G' and 'S' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' Increase 'S' and decrease 'G' Increase both 'G' and 'S' Increase 'G' and decrease 'S' Decrease both 'G' and 'S' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number. Sherwood Lewis None of these Grashoff Sherwood Lewis None of these Grashoff ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in All of these Decreased solute solubility Large number of trays Large minimum liquid to gas (L/G) ratio All of these Decreased solute solubility Large number of trays Large minimum liquid to gas (L/G) ratio 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/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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Using higher reflux ratio Use of increased tray spacing Increasing the vapour flow rate Increasing the liquid flow rate Using higher reflux ratio Use of increased tray spacing Increasing the vapour flow rate Increasing the liquid flow rate ANSWER DOWNLOAD EXAMIANS APP
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