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 None of these Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly Cracks develop on the surface of the solid None of these 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 Vacuum Short tube Falling film Long tube Vacuum Short tube 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 Increases Decreases Increases exponentially Remains unchanged Increases Decreases 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 Wet bulb temperature Partial pressure of water vapor None of these Relative humidity Wet bulb temperature Partial pressure of water vapor 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? 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