Role of a "collector" in floatation is to
A. form a water repelling film on the mineral surface
B. create and stabilise the froth
C. act as a surfactant
D. collect the minerals according to their specific gravity
Answer: Option A
Related Questions on 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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