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.
Packed column distillation is limited to the column _____________ metres? Read More »
Mass Transfer 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.
The humid volume may be increased by increasing the____________________? Read More »
Mass Transfer A. Using higher reflux ratio
B. Use of increased tray spacing
C. Increasing the liquid flow rate
D. Increasing the vapour flow rate
Tower diameter may be decreased by__________________? Read More »
Mass Transfer A. Hydrochloric acid
B. Nitric acid
C. Alkalis
D. Sulphuric acid
