| Group 1 | Group 2 |
| P. Floatation | 1. Separation on the basis of density difference |
| Q. Electrostatic concentration | 2. Reduction in size |
| R. Comminution | 3. Surface charge is induced in particles |
| S. Heavy media separation | 4. Modification of surface tension |
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
Answer: Option D
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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