A. Weber
B. Peclet
C. Brinkman
D. Schmidt
Related Mcqs:
- Mixing mechanism employed in a pan mixer is by ________________?
A. Mulling
B. Kneading
C. Dispersion
D. None of these - _______________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution?
A. Tumbler
B. Banbury
C. Muller
D. Ribbon blender - Mixer used for rubber compounding is__________________?
A. mixer-extruder
B. Banbury internal mixer
C. Muller mixer
D. Pug mill - A _____________ mixer resembles a ball mill without balls?
A. Banbury
B. Pug mill
C. Tumbling
D. Pan - A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is_____________?
A. 0.1
B. 0.4
C. 0.6
D. None of these - A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is_________________?
A. 0.90 μm/s
B. 1 μm/s
C. 22.1 μm/s
D. 0.02 μm/s - Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise) ?
A. Propeller
B. Helical screw
C. Flat blade turbine
D. Curved blade turbine - The important dimensional group involved in the power requirement calculation in mixing operation is the _____________ number?
A. Reynold’s
B. Froude
C. Both A. & B.
D. Neither A. nor B. - Which of the following clay mixing devices is vacuum operated for deairation of clay ?
A. Banbury mixer
B. Pug mill
C. Muller-mixer
D. None of these - Mixing of light fine powder such as insecticides is done by____________________?
A. Banbury mixer
B. Pug mill
C. Impact wheels
D. Kneader
