A. Varies inversely as the pressure
B. Varies directly as the pressure
C. Is independent of pressure
D. Is equal to the volumetric diffusivity
A. cm2/sec gm . mole
B. gm moles/cm2 . sec
C. gm moles/cm. sec
D. gm moles/cm2. sec
A. Freeze
B. Spray
C. Tray
D. Rotary
A. Danckwerts
B. Toor and Marcello
C. Higbie
D. Kissinevskii
A. Concentrated solution and non-isothermal operation
B. Dilute solution and non-isothermal operation
C. Dilute solution and isothermal operation
D. Concentrated solution and isothermal operation
A. 0.048
B. 0.079
C. 0.122
D. 0.152
A. Drying cost per unit weight of dried product is less
B. Product with more uniform moisture content is produced
C. Equipment size required is smaller
D. All A , B. & C.
A. Nature of the vapor
B. Temperature of the mixture
C. Composition of the mixture
D. None of these
A. T
B. √T
C. T2
D. 1/T
A. Fixed bed absorption
B. Moving bed absorption
C. Fixed bed adsorption
D. Moving bed adsorption