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