Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Density separation Differential wettability Volatile matter content Size Density separation Differential wettability Volatile matter content Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π/6(=V/D³) π(=A/D²) AD/V None of these π/6(=V/D³) π(=A/D²) AD/V None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. Lumpy solids and low viscosity liquids Thick pastes Dry powders High viscosity liquids Lumpy solids and low viscosity liquids Thick pastes Dry powders High viscosity liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is None of these Jigging & tabling Froth floatation Flocculation None of these Jigging & tabling Froth floatation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gizzlies are used for separating __________ solids. Any size None of these Fine Coarse Any size None of these Fine Coarse ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Rod mill Ball mill Fluid energy mill Jaw crusher Rod mill Ball mill Fluid energy mill Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
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