A. Drum drier
B. Spray drier
C. Tunnel drier
D. Tray drier
Related Mcqs:
- Which of the following is not a batch drier ?
A. Truck drier
B. Agitated pan drier
C. Fluidised bed drier
D. Vacuum shelf drier - Free flowing granular materials can be best dried in a __________________ drier?
A. Rotary
B. Cylinder
C. Drum
D. Freeze - Which is the controlling factor for a drum drier ?
A. Diffusion
B. Heat transfer
C. Both A. and B.
D. Neither A. nor B. - As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages_______________________?
A. Increase
B. Decrease
C. Remain unchanged
D. Can either increase or decrease, depends on the system - In stripping section of continuous distillation column, the_______________________?
A. Liquid is stripped of high boiler
B. Liquid is enriched with high boiler
C. Vapour is stripped of low boiler
D. None of these - Advantage of continuous drying over batch drying is that the_____________________?
A. Drying cost per unit weight of dried product is less
B. Product with more uniform moisture content is produced
C. Equipment size required is smaller
D. All A , B. & C. - _______________ columns are used for liquid dispersion in a continuous gas phase ?
A. Packed
B. Pulse
C. Bubble cap
D. Sieve plate - For continuous drying of granular or crystalline material, the dryer used is the _______________ dryer?
A. Tunnel
B. Tray
C. Rotary
D. None of these - In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as_____________________?
A. Ri = Re/(1 – Re)
B. Ri = (1 – Re)/Re
C. Ri = Re
D. Ri = Re/(1 + Re) - For a binary mixture with low relative volatility, continuous rectification to get pure products will require_____________________?
A. Low reflux ratio
B. Less number of trays
C. Small cross-section column
D. High reflux ratio
