Mass Transfer The unit of volumetric diffusivity is Cm³/sec Cm/sec Cm²/seC₂ Cm²/sec Cm³/sec Cm/sec Cm²/seC₂ Cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 5 1 100 10 5 1 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Reduces pressure drop Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency Reduces pressure drop Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Wet bulb temperature Relative humidity Both B and C Partial pressure of vapour Wet bulb temperature Relative humidity Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent A ternary mixture Partially miscible ternary system A binary mixture A pure component A ternary mixture Partially miscible ternary system A binary mixture A pure component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 ANSWER DOWNLOAD EXAMIANS APP