Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Flow rate of inlet air Humidity of inlet air Temperature of the solid Relative humidity of outlet air Flow rate of inlet air Humidity of inlet air Temperature of the solid Relative humidity of outlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because They are always equal under all circumstances Water has a high latent heat of evaporation Solubility of the components of air in water is very small Lewis number is close to unity They are always equal under all circumstances Water has a high latent heat of evaporation Solubility of the components of air in water is very small Lewis number is close to unity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative saturation of an unsaturated mixture of gas and vapor is independent of the Temperature of the mixture Composition of the mixture None of these Nature of the vapor Temperature of the mixture Composition of the mixture None of these Nature of the vapor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tea percolation employs Absorption None of these Leaching Liquid-liquid extraction Absorption None of these Leaching Liquid-liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases and liquids vary respectively as √T and T3/2 T3/2 and √T T3/2 and T T and T3/2 √T and T3/2 T3/2 and √T T3/2 and T T and T3/2 ANSWER DOWNLOAD EXAMIANS APP