A. Solids
B. Solids from fluids
C. Liquids
D. Solids from solids
Related Mcqs:
- Grinding efficiency of a ball mill is of the order of _______________ percent?
A. 1-5
B. 40-50
C. 75-80
D. 90-95 - Which of the following is a vacuum filter ?
A. Filter press
B. Rotary disc filter
C. Batch basket centrifuge
D. Tank filter (Nutsche filter) - Gravity stamp mill is meant for the ___________________ crushing?
A. Primary
B. Intermediate
C. Fine
D. Ultrafine - Feed size of ≥ 25 cms can be accepted by _______________________?
A. Ball mill
B. Rod mill
C. Fluid energy mill
D. Jaw crusher - The main differentiation factor between tube mill and ball mill is the ___________________?
A. Length to diameter ratio
B. Size of the grinding media
C. Final product size
D. Operating speed - Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity ?
A. Sphere
B. Cube
C. Cylinder (L/D = 1)
D. Raschig rings - Which of the following conveyors cannot be recommended for transportation of abrasive materials ?
A. Belt conveyor
B. Apron conveyor
C. Flight conveyor
D. Chain conveyor - Highly viscous liquids & pastes are agitated by________________?
A. Propellers
B. Turbine agitators
C. Multiple blade paddles
D. None of these - Production rate _____________ with increased fineness, with a given energy input to the size reduction machine?
A. Decreases
B. Increases
C. Remains unchanged
D. May increase or decrease; depends on the machine - Which of the following is not an ultrafine grinder (colloid mill) ?
A. Micronizers
B. Agitated mills and fluid energy mills
C. Toothed roll crusher
D. Hammer mills with internal classification
