Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Rate of drying decreases abruptly Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs None of these Rate of drying decreases abruptly Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Falling film Long tube Short tube Vacuum Falling film Long tube Short 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 Increases Decreases Increases exponentially Remains unchanged Increases Decreases 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. None of these Partial pressure of water vapor Relative humidity Wet bulb temperature None of these Partial pressure of water vapor Relative humidity Wet bulb temperature 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 Wetted wall column Sieve plate column Bubble cap column Randomly packed column Wetted wall column Sieve plate column Bubble cap column ANSWER DOWNLOAD EXAMIANS APP