Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Long tube Falling film Vacuum Short tube Long tube Falling film Vacuum Short tube 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. Relative humidity None of these Wet bulb temperature Partial pressure of water vapor Relative humidity None of these Wet bulb temperature Partial pressure of water vapor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Randomly packed column Bubble cap column Wetted wall column Sieve plate column Randomly packed column Bubble cap column Wetted wall column Sieve plate column ANSWER DOWNLOAD EXAMIANS APP
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