A fluid energy mill is used for __________________?
A fluid energy mill is used for __________________?
A. Cutting
B. Grinding
C. Ultra-grinding
D. Crushing
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Which of the following is not a wet classifier ?
Which of the following is not a wet classifier ?A. Sharpies super-centrifuge
B. Hydrocyclones
C. Dorr Oliver rake classifier
D. None of theseMass flow of granular solid (M) through a circular opening of dia, D follows_____________________?
Mass flow of granular solid (M) through a circular opening of dia, D follows_____________________?A. M ∝ √D
B. M ∝ D2
C. M ∝ D3
D. M ∝ DFiltration should be stopped in a filter press, if the_________________?
Filtration should be stopped in a filter press, if the_________________?A. Cake becomes very dense
B. Liquor stops flowing out to the discharge
C. Filtration pressure rises suddenly
D. Both B. & C.Horsepower required for a roll crusher is directly proportional to its__________________?
Horsepower required for a roll crusher is directly proportional to its__________________?A. Reduction ratio
B. Capacity
C. Both A. & B.
D. Neither A. nor B.About 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. ‘Power number’ in agitation is given by __________________?
About 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. ‘Power number’ in agitation is given by __________________?A. P. gc/n3. D2. ρ
B. P. gc. ρ/μ2
C. n3. D3. ρ/P. gc
D. P. gc/n2. D2. ρIn classification, particles are said to be equal settling, if they have the same terminal velocities in the_______________?
In classification, particles are said to be equal settling, if they have the same terminal velocities in the_______________?A. Different fluids
B. Same fluid
C. Same field of force
D. Both B. and C.