Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. > 1 0.01 10-5 to 10-6 0.1 > 1 0.01 10-5 to 10-6 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 1000 100 50 500 1000 100 50 500 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 None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is Dependent on the molecular volume & molecular weight of components Directly proportional to 'T1.5' All of these Inversely proportional to 'P' Dependent on the molecular volume & molecular weight of components Directly proportional to 'T1.5' All of these Inversely proportional to 'P' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Solid-liquid extraction Multicomponent distillation Liquid-liquid extraction Multicomponent absorption with chemical reaction Solid-liquid extraction Multicomponent distillation Liquid-liquid extraction Multicomponent absorption with chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches None of these Integral heat of adsorption That of normal condensation Zero None of these Integral heat of adsorption That of normal condensation Zero ANSWER DOWNLOAD EXAMIANS APP
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