Bond crushing law
A. calls for relatively less energy for the smaller product particles than does the Rittinger's law
B. is less realistic in estimating the power requirements of commercial crushers
C. states that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product
D. states that the work required for the crushing is proportional to the new surface created
Answer: Option A
This Question Belongs to Metallurgical Engineering >> Mineral Dressing In Metallurgy
A. classification
B. froth floatation
C. Thickening
D. none of these
During filtration operation, the filtrate encounters the resistance of the
A. filter medium
B. cake
C. channel carrying the slurry to then upstream side of the cake and filtrate away from the filter medium
D. all A, B and C
A. P-2, Q-1, R-4, S-3
B. P-1, Q-2, R-3, S-4
C. P-3, Q-4, R-1, S-2
D. P-4, Q-3, R-2, S-1
The capacity of a pneumatic conveying system depends upon the
A. bulk density of materials
B. pressure of the conveying air
C. diameter of the conveying line
D. all A, B and C
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