A. Partial condenser
B. Total condenser
C. Reboiler
D. Both B. and C
A. Decrease in air temperature
B. Increase in air humidity
C. Both A. and B.
D. Neither A. nor B.
A. Height < 6
B. Diameter < 0.6
C. Both A. & B.
D. Neither A. nor B.
A. Solids are drained to the same extent
B. Ratio of the insoluble to solution is constant
C. Both A. & B.
D. Neither A. nor B.
A. μ
B. 1/μ
C. √μ
D. μ2
A. High evaporation losses of water
B. High pressure drop of the gas
C. Difficulty in its fabrication
D. None of these
A. (1 + Ro) = Ro/Ri
B. (1 – Ro) = Ro/Ri
C. (1 + Ri) = Ro/Ri
D. (1 – Ri) = Ro/Ri
A. Temperature at constant humidity
B. Humidity at constant temperature
C. Both A. and B.
D. Neither A. nor B.
A. Using higher reflux ratio
B. Use of increased tray spacing
C. Increasing the liquid flow rate
D. Increasing the vapour flow rate
A. Hydrochloric acid
B. Nitric acid
C. Alkalis
D. Sulphuric acid