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 Very tall packed towers are divided into series of beds to Reduce liquid hold-up Avoid flooding Avoid channelling Reduce the overall pressure drop Reduce liquid hold-up Avoid flooding Avoid channelling Reduce the overall pressure drop ANSWER DOWNLOAD EXAMIANS APP
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 4.605 0.001 100 9.21 4.605 0.001 100 9.21 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the None of these Nature of the constituents Temperature and pressure Concentration None of these Nature of the constituents Temperature and pressure Concentration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Sc x Pr St x Sh Pr x St Sh x Pr Sc x Pr St x Sh Pr x St Sh x Pr ANSWER DOWNLOAD EXAMIANS APP
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