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 0.0025 1.25 2.5 0.25 0.0025 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Lowering the barometric pressure None of these Reducing the humidity of entering air Increasing the air velocity over the wet surfaces Lowering the barometric pressure None of these Reducing the humidity of entering air Increasing the air velocity over the wet surfaces ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Does not affect Exponentially increases Increases Decreases Does not affect Exponentially increases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of packed towers for distillation is generally limited to the Vacuum distillation High pressure operation Multicomponent distillation Small sizes Vacuum distillation High pressure operation Multicomponent distillation Small sizes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The equipment used in the extraction of highly corrosive radio active liquids is Pulse column Mixer settler Spray column Baffle tower Pulse column Mixer settler Spray column Baffle tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) T² 1/T √T T T² 1/T √T T ANSWER DOWNLOAD EXAMIANS APP
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