Mass Transfer In which of the following unit operations, the selectivity is an important parameter? None of these Absorption Distillation Solvent extraction None of these Absorption Distillation Solvent extraction 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) FG/(G.a) F/(FG.a) (G.a)/FG L/(FG.G) FG/(G.a) F/(FG.a) (G.a)/FG L/(FG.G) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 1/D D0.5 D D2 1/D D0.5 D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Neither A nor B Liquid Both A & B Gas Neither A nor B Liquid Both A & B Gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = NLe NSc = NPr = NLe NPr = NLe NSc = 1 NSc = NLe NSc = NPr = NLe NPr = NLe NSc = 1 ANSWER DOWNLOAD EXAMIANS APP
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