Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Long tube Short tube Falling film Vacuum Long tube Short tube Falling film Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Diffusion Both A & B Bulk flow Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer (NSh/NRe.NSc) is termed in mass transfer operation as the Thermal diffusivity Peclet number Stanton number Momentum diffusivity Thermal diffusivity Peclet number Stanton number Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 71 min 15 min 51 min 94 min 71 min 15 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Reduces pressure drop Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Reduces pressure drop Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature ANSWER DOWNLOAD EXAMIANS APP
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