Mass Transfer Surface renewal model of mass transfer was enunciated by Danckwerts Toor and Marchello Stefan Fick Danckwerts Toor and Marchello Stefan Fick ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Surface evaporation of unbound moisture occurs None of these Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs None of these Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Wet bulb temperature None of these Dry bulb temperature Partial pressure of vapour Wet bulb temperature None of these Dry bulb temperature Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Hydrochloric acid-water Benzene-toluene All of these Ethyl alcohol-water Hydrochloric acid-water Benzene-toluene All of these Ethyl alcohol-water 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 Rag paper Anthracite coal Inorganic solids Bamboo Rag paper Anthracite coal Inorganic solids ANSWER DOWNLOAD EXAMIANS APP