Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 1.25 0.25 0.0025 2.5 1.25 0.25 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tea percolation employs None of these Leaching Absorption Liquid-liquid extraction None of these Leaching Absorption Liquid-liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Distillation Evaporation Absorption Liquid extraction Distillation Evaporation Absorption Liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require High reflux ratio Low reflux ratio Small cross-section column Less number of trays High reflux ratio Low reflux ratio Small cross-section column Less number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is 1.56 2 1 0.56 1.56 2 1 0.56 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humid volume, at a given temperature is a/an __________ function of humidity. Inverse Logarithmic Linear Exponential Inverse Logarithmic Linear Exponential ANSWER DOWNLOAD EXAMIANS APP