A. 0.5 to 0.8
B. 0.8 to 1.2
C. 1.25 to 2.0
D. 2.5 to 3.5
Mass Transfer
Mass Transfer
A. 6.89
B. 8.89
C. 10
D. 8.25
A. Rotary
B. Tray
C. Freeze
D. None of these
A. Temperature is 100°C
B. Temperature is more than 100° C
C. Product must be immiscible with water
D. Temperature is higher than the boiling point of either component
A. Spray dryer
B. Drum dryer
C. Rotary dryer
D. Dielectric dryer
A. Dry bulb temperature
B. Partial pressure of vapour
C. Wet bulb temperature
D. None of these
A. Cold water
B. Hot water
C. Dilute hot caustic solution
D. Naphtha
A. Steady state equimolar counter diffusion
B. Fick’s first law of diffusion
C. Steady state diffusion for stagnant case
D. Liquid M.T.C. by penetration theory
A. (De.t)1/2
B. (De/t)1/2
C. (4De/πt)1/2
D. (4De/t)
A. 1
B. > 1
C. 0
D. ∞