A. Entrainment
B. Foaming
C. Weeg & dumg
D. All A., B. & C.
A. Suction pump
B. Compressed air jet
C. Steam jet ejector with a barometric condenser
D. None of these
A. Increases
B. Decreases
C. Remains unchanged
D. Decreases exponentially
A. 1
B. 0
C. ∞
D. None of these
A. Number of plates is maximum
B. Overhead product is maximum
C. Both the operating lines coincide with the diagram
D. None of these
A. Increasing the air velocity and area of exposed wet surface
B. Reducing the barometric pressure
C. Reducing the humidity of the air
D. All A., B. and C.
A. Increases tray efficiency
B. Provides large interfacial surface for mass transfer
C. Results due to very high gas velocity
D. Results due to very low gas velocity