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