Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 0.0025 2.5 1.25 0.25 0.0025 2.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies directly as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies inversely as the pressure Varies directly as the pressure Is equal to the volumetric diffusivity Is independent of pressure Varies inversely as the pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Either A or B Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Under conditions of flooding in packed tower, the gas pressure drop Decreases rapidly Increases rapidly Remains constant Is maximum Decreases rapidly Increases rapidly Remains constant Is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter to height ratio for a rashig ring is 5 1 2 0.5 5 1 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Both A & B Diffusion Heat transfer Neither A nor B Both A & B Diffusion Heat transfer Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS