Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Wet bulb temperature Partial pressure of vapour None of these Relative humidity Wet bulb temperature Partial pressure of vapour None of these Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method of binary distillation does not assume that the Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal Sensible heat changes are negligible compared with latent heat changes Heat of mixing is negligible None of these Molar latent heats of all components are equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Fine solids can not be leached in a Pachuka tank Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Door classifier can be used for leaching of coarse solids Fine solids can not be leached in a Pachuka tank Very high temperature is not needed for the leaching of sugar beet Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Door classifier can be used for leaching of coarse solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid extraction, if the selectivity is unity, then No separation will occur Amount of solvent required will be minimum Separation of the constituents is the most effective Solvent flow rate should be very low No separation will occur Amount of solvent required will be minimum Separation of the constituents is the most effective Solvent flow rate should be very low ANSWER DOWNLOAD EXAMIANS APP
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