Mass Transfer The unit of volumetric diffusivity is Cm³/sec Cm²/seC₂ Cm/sec Cm²/sec Cm³/sec Cm²/seC₂ Cm/sec Cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than that computed for ideality Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? Terminal concentrations of gas stream None of these Flow rate of the entering gas Composition of the entering liquid Terminal concentrations of gas stream None of these Flow rate of the entering gas Composition of the entering liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Increasing the air velocity over the wet surfaces Lowering the barometric pressure None of these Reducing the humidity of entering air Increasing the air velocity over the wet surfaces Lowering the barometric pressure None of these Reducing the humidity of entering air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are porous Synthetic zeolites crystals/metal alumino-silicates Alumina None of these Silica Synthetic zeolites crystals/metal alumino-silicates Alumina None of these Silica ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Time of contact between the solid and the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B Vapour pressure of the solution Time of contact between the solid and the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B Vapour pressure of the solution ANSWER DOWNLOAD EXAMIANS APP