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 Which of the following provides maximum contact surface for a liquid-vapour system? Seive-plate column Wetted wall column Packed tower Bubble-cap plate column Seive-plate column Wetted wall column Packed tower Bubble-cap plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Increases Increases exponentially Decreases Remains unchanged Increases Increases exponentially Decreases Remains unchanged 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. Partial pressure of water vapor Wet bulb temperature Relative humidity None of these Partial pressure of water vapor Wet bulb temperature Relative humidity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal. 1 > 1 < 1 ? 1 > 1 < 1 ? ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Truck drier Agitated pan drier Vacuum shelf drier Fluidised bed drier Truck drier Agitated pan drier Vacuum shelf drier Fluidised bed drier ANSWER DOWNLOAD EXAMIANS APP
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