Mass Transfer Molecular diffusivity of a liquid Increases with temperature Is independent of temperature May increase or decrease with temperature Decreases with temperature Increases with temperature Is independent of temperature May increase or decrease with temperature Decreases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for separating the constituents of a binary system, which Have very wide boiling points Have very close boiling points Form minimum boiling azeotrope Form constant boiling azeotrope Have very wide boiling points Have very close boiling points Form minimum boiling azeotrope Form constant boiling azeotrope ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? 1 < 1 ∞ 1 < 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low viscosity Low vapor pressure High gas solubility None of these Low viscosity Low vapor pressure High gas solubility None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Flow rate of the entering gas None of these Composition of the entering liquid Terminal concentrations of gas stream Flow rate of the entering gas None of these Composition of the entering liquid Terminal concentrations of gas stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes ANSWER DOWNLOAD EXAMIANS APP
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