A. Area between operating line and 45° diagonal x-y diagram
B. Condenser and reboiler surfaces
C. Tower cross-section
D. None of these
A. McCabe-Thiele method
B. Ponchan-Savarit method
C. Enthalpy concentration method
D. Plate absorption column
A. Water-hydrochloric acid
B. Acetone-carbon disulphide
C. Water-ethyl alcohol
D. n-heptane-n-octane
A. In towers packed with stacked packing
B. In towers packed randomly with crushed solids
C. In dumped packing of regular units
D. At very high liquid flow rate
A. Liquid-liquid extraction
B. Leaching
C. Extractive distillation
D. Steam distillation
A. Vapour pressure of component A to that of component B
B. Vapour pressure of component A to the total pressure
C. Vapour pressure of component A to the partial pressure of A
D. Partial pressure of component A to the total pressure
A. High pressure drop
B. Low pressure drop
C. Low velocity of the liquid
D. High temperature
A. Ideal solutions
B. Real solutions
C. Mixture of water and alcohol
D. Non-ideal gases
A. Rotary
B. Vacuum
C. Tunnel
D. Tray
A. Benzene-toluene
B. Ethyl alcohol-water
C. Hydrochloric acid-water
D. All A., B. and C.