Separation of particles of various sizes, shapes & densities by allowing them to settle in a fluid is called
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Metallurgical Engineering · all questionsMineral Dressing in Metallurgy
Mineral Dressing in Metallurgy
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During filtration operation, the filtrate encounters the resistance of the
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Match the following:
| 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 |
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The capacity of a pneumatic conveying system depends upon the
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The energy consumed by a ball mill depends upon
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Equivalent diameter of a particle is the diameter of the sphere having the same as the actual particle.
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Hydrocyclone is a
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In the floatation process, pine oil is used as
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The figure below shows a schematic of a water droplet placed on the surfaces of two mineral P and Q.
Given this information, pick the correct statement from the following:
Given this information, pick the correct statement from the following:
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Which is a secondary crusher for a hard & tough stone?
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The most efficient equipment for removal of sub-micronic dust particles from blast furnace gas is the
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Impurities present with minerals is called
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The material is crushed in a gyratory crusher by the action of
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Mechanical efficiency of a crusher is defined as the ratio of the
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200 mesh sieve size corresponds to . . . . . . . . microns.
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In case of a ball mil,
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The aperture size (in μm) of a 200 mesh sieve having a wire diameter of 53 μm is
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Match the following processes with their physical principles.
| Group 1 | Group 2 |
| P. Floatation | 1. Difference in specific gravity |
| Q. Jigging | 2. Difference in hydrophobicity |
| R. Heavy media separation | 3. Difference in lateral movements |
| S. Tabling | 4. Differential initial accelaration |
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The grinding in hammer crusher takes place due to
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Match the unit operation in Group I with its corresponding principal in Group II:
| Group I | Group II |
| P. Jigging | 1. Modification of surface tension |
| Q. Tabling | 2. Difference in density |
| R. Heavy media separation | 3. Differential initial acceleration |
| S. Flotation | 4. Differential lateral movement |
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