Mass Transfer An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is 9.21 0.001 4.605 100 9.21 0.001 4.605 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 1.04 1.94 1.24 0.54 1.04 1.94 1.24 0.54 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Plate absorption column Ponchan-Savarit method Enthalpy concentration method McCabe-Thiele method Plate absorption column Ponchan-Savarit method Enthalpy concentration method McCabe-Thiele method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Perforated tray Packed Wetted wall Bubble cap Perforated tray Packed Wetted wall Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wetted wall tower is used to determine M.T.C. of liquid in liquid-gas system Individual mass transfer co-efficient (M.T.C.) in gaseous system The overall M.T.C. of the system M.T.C. of individual components in a liquid-liquid system M.T.C. of liquid in liquid-gas system Individual mass transfer co-efficient (M.T.C.) in gaseous system The overall M.T.C. of the system M.T.C. of individual components in a liquid-liquid system ANSWER DOWNLOAD EXAMIANS APP
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