Moore filter is a ______________ filter ?
Moore filter is a ______________ filter ?
A. Leaf
B. Press
C. Rotary
D. Sand
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The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the _____________ filter?
The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the _____________ filter?A. Vacuum
B. Sand
C. Plate & frame
D. RotaryIn case of a revolving mill, wet grinding compared to dry grinding__________________?
In case of a revolving mill, wet grinding compared to dry grinding__________________?A. Requires more energy
B. Has less capacity
C. Complicates handling & classification of the product
D. None of these______________ are used for the separation of coarse particles from a slurry of fine particles?
______________ are used for the separation of coarse particles from a slurry of fine particles?A. Thickeners
B. Classifiers
C. Hydrocyclones
D. DecantersWhat is the reduction ratio in a fine crushing operation having following feed and product sizes ?
What is the reduction ratio in a fine crushing operation having following feed and product sizes ?A. 0.5
B. 2
C. 5
D. 10The controlling resistance in a rotary drum vacuum filter is the ________________ resistance?
The controlling resistance in a rotary drum vacuum filter is the ________________ resistance?A. Pig
B. Cake
C. Filter medium
D. None of theseSphericity 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 ?
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