Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Humidity of inlet air Temperature of the solid Flow rate of inlet air Relative humidity of outlet air Humidity of inlet air Temperature of the solid Flow rate of inlet air Relative humidity of outlet air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Lewis number Stantan number Sherwood number Psychrometric ratio Lewis number Stantan number Sherwood number Psychrometric ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 50 0.5 5 0.05 50 0.5 5 0.05 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. 100 50 Between 0 and 100 100 50 Between 0 and 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture? Bamboo Inorganic solids Rag paper Anthracite coal Bamboo Inorganic solids Rag paper Anthracite coal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS