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. Vacuum Long tube Short tube Falling film Vacuum Long tube 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 Increases exponentially Decreases Remains unchanged Increases Increases exponentially Decreases Remains unchanged Increases 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 Partial pressure of water vapor None of these Relative humidity Wet bulb temperature Partial pressure of water vapor None of these 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? Randomly packed column Bubble cap column Sieve plate column Wetted wall column Randomly packed column Bubble cap column Sieve plate column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
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