Mass Transfer Priming in a distillation column Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Is desirable from point efficiency consideration Reduces the overall pressure drop Is characterised by the presence of foam throughout the space between trays Results from very low gas velocity Is desirable from point efficiency consideration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P < P P = P P P >>P P < P P = P P P >>P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Total reflux Minimum reflux ratio Zero reflux ratio No reflux Total reflux Minimum reflux ratio Zero reflux ratio No reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Hydrochloric acid-water Benzene-toluene Ethyl alcohol-water All of these Hydrochloric acid-water Benzene-toluene Ethyl alcohol-water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter to height ratio for a rashig ring is 2 0.5 1 5 2 0.5 1 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is Always < 1 None of these G/L L/G Always < 1 None of these G/L L/G ANSWER DOWNLOAD EXAMIANS APP
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