A. Mass transfer co-efficient
B. Thermal diffusivity
C. Kinematic viscosity
D. Volumetric diffusivity
Mass Transfer
Mass Transfer
A. < 1 and ≈ 1
B. 1 and 0
C. > 1 and ≈ 1
D. 0 and ≈ 1
A. Increase in rate of drying
B. Increasing temperatures both on the surface and within the solid
C. Decreasing temperatures
D. None of these
A. Increasing temperature
B. Decreasing pressure
C. Increasing pressure
D. No means
A. The entire amount of C is transferred to solvent B
B. Less than 2 kg but more than 1 kg of C is transferred to solvent B
C. Less than 1 kg of C is transferred to B
D. No amount of C is transferred to B
A. 4
B. 8
C. 9
D. 10
A. Rotary
B. Fluidised bed
C. Vacuum
D. Spray
A. Unidirectional diffusion from liquid to gas phase
B. Unidirectional diffusion from gas to liquid phase
C. Either A. or B.
D. A counter diffusion at an almost equal molar rate
A. Silica gel
B. Alumina
C. Fuller’s earth
D. Activated carbon
A. Toor and Marcello
B. Fick
C. Danckwerts
D. Stefan
