Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Rate of drying decreases abruptly Surface evaporation of unbound moisture occurs None of these Cracks develop on the surface of the solid Rate of drying decreases abruptly Surface evaporation of unbound moisture occurs None of these 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. Short tube Falling film Long tube Vacuum Short tube Falling film Long tube Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Decreases Increases Increases exponentially Remains unchanged Decreases Increases Increases exponentially 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. Wet bulb temperature None of these Partial pressure of water vapor Relative humidity Wet bulb temperature None of these Partial pressure of water vapor Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Sieve plate column Wetted wall column Bubble cap column Randomly packed column Sieve plate column Wetted wall column Bubble cap column Randomly packed column ANSWER DOWNLOAD EXAMIANS APP