Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity None of these Momentum diffusivity to the thermal diffusivity Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity None of these Momentum diffusivity to the thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) F/(FG.a) L/(FG.G) FG/(G.a) (G.a)/FG F/(FG.a) L/(FG.G) FG/(G.a) (G.a)/FG ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 > 10 1 to 5 1 5 to 10 > 10 1 to 5 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? 35% solution of camphor in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water 35% solution of camphor in water A solution of benzene, toluene and oxylene A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Temperature falls Pressure rises Temperature rises Pressure falls Temperature falls Pressure rises Temperature rises Pressure falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. Major decrease in the number of No change in theoretical None of the listed here Marginal decrease in the number of Major decrease in the number of No change in theoretical None of the listed here Marginal decrease in the number of ANSWER DOWNLOAD EXAMIANS APP
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