A. Rotary
B. Cylinder
C. Drum
D. Freeze
Related Mcqs:
- A 25 cm × 25 cm × 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m × 1m × 1cm flat sheet of the same material is to be dried from one side only. Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is ____________________?
A. 1000
B. 1500
C. 2000
D. 2500 - Milk is dried usually in a __________________ dryer?
A. Freeze
B. Spray
C. Tray
D. Rotary - Which of the following is not a batch drier ?
A. Truck drier
B. Agitated pan drier
C. Fluidised bed drier
D. Vacuum shelf drier - Which is the controlling factor for a drum drier ?
A. Diffusion
B. Heat transfer
C. Both A. and B.
D. Neither A. nor B. - Which of the following is not a continuous drier ?
A. Drum drier
B. Spray drier
C. Tunnel drier
D. Tray drier - For continuous drying of granular or crystalline material, the dryer used is the _______________ dryer?
A. Tunnel
B. Tray
C. Rotary
D. None of these - Dried finished product sampled from various parts of a ________________ dryer exhibits nonuniformity in the moisture content?
A. Rotary
B. Tray
C. Freeze
D. None of these - A solid is being dried in the linear drying rate regime from moisture content Xo to XF. The drying rate is zero at X = 0 and the critical moisture content is the same as the initial moisture Xo. The drying time for M = (Ls/ARc) is (where, L = total mass of dry solid, A = total surface area for drying Rc = Constant maximum drying rate per unit area X = moisture content (in mass of water/mass of dry solids)) ?
A. M(Xo – XF)
B. M(Xo/XF)
C. M ln(Xo/XF)
D. MXo ln(Xo/XF) - In paper industry, paper is dried in a _____________ dryer ?
A. Tunnel
B. Heated cylinder
C. Conveyor
D. Festoon - Sticky material can be dried in a ________________ dryer ?
A. Tray
B. Rotary
C. Fluidised bed
D. None of these
