Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Perforated sieve tray towers Agitated vessels Spray towers Bubble cap tray towers Perforated sieve tray towers Agitated vessels Spray towers Bubble cap tray towers 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 L/G Always < 1 G/L None of these L/G Always < 1 G/L None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In physical terms, Schmidt number means Momentum diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/momentum diffusivity Thermal diffusivity/mass diffusivity Momentum diffusivity/mass diffusivity Mass diffusivity/thermal diffusivity Thermal diffusivity/momentum diffusivity Thermal diffusivity/mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is a suitable absorbent for removal of H₂S from natural gas? Hot water Dilute Monoethanol amine (MEA) Vetrocoke solution Hot water Dilute Monoethanol amine (MEA) Vetrocoke solution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The fraction vaporised but not the product composition Neither the product composition nor the fraction vaporised The product composition but not the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition Neither the product composition nor the fraction vaporised The product composition but not the fraction vaporised The product composition as well as the fraction vaporised ANSWER DOWNLOAD EXAMIANS APP
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