Category: Mass Transfer

A. Have low weight per unit volume
B. Have large surface area per unit volume
C. Have large free cross-section
D. Hold up large amount of liquid in the packing

A. Wetted wall
B. Packed
C. Plate
D. Spray

A. Zero
B. Infinity
C. Unity
D. Data insufficient

A. Stanton number
B. Peclet number
C. Thermal diffusivity
D. Momentum diffusivity

A. A solution of benzene, toluene and o-xylene
B. 35% solution of camphor in water
C. 35% solution of NH3 in water
D. A solution of polar organic compounds (not of homologue of a series)

A. Increases pressure drop, increases surface area
B. Increases pressure drop, decreases surface area
C. Decreases pressure drop, increases surface area
D. Decreases pressure drop, decreases surface area

A. Continuous
B. Steam
C. Azeotropic
D. None of these

A. Bone charcoal
B. Wood charcoal
C. Silica gel
D. Activated clay

A. Vapour laden gas at 1 atm. and room temperature
B. Gas plus its accompanying vapour at 1 atm. and room temperature
C. Gas plus its accompanying vapour at 1 atm. and gas temperature
D. Vapour laden gas at 1 atm. and gas temperature

A. Selectivity
B. Relative volatility
C. Solubility
D. Density difference