Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 1 600 3.97 0.24 1 600 3.97 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Reduce drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Increase drying temperature Reduce drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Increase drying temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the degree of freedom of an absorption process in which only one component is transferred between phases? 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T⁴ T² √T T T⁴ T² √T T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 2.5 to 3.5 1.25 to 2.0 0.8 to 1.2 0.5 to 0.8 2.5 to 3.5 1.25 to 2.0 0.8 to 1.2 0.5 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases linearly Decreases Increases Remains same Decreases linearly Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP