Mass Transfer Very tall packed towers are divided into series of beds to Reduce liquid hold-up Avoid channelling Reduce the overall pressure drop Avoid flooding Reduce liquid hold-up Avoid channelling Reduce the overall pressure drop Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is defined as Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference None of the listed here Flux=concentration difference/co-effi-cient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids Are same Depend on the humidity of the gas None of these Are different Are same Depend on the humidity of the gas None of these Are different ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Relative humidity Partial pressure of water vapor Wet bulb temperature None of these Relative humidity Partial pressure of water vapor Wet bulb temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. Between 0 and 100 50 100 Between 0 and 100 50 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sticky material can be dried in a __________ dryer. Tray Fluidised bed None of these Rotary Tray Fluidised bed None of these Rotary ANSWER DOWNLOAD EXAMIANS APP
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