Mechanical Operations During the washing of cake Filter medium resistance increases Filter medium resistance decreases All the resistances are constant Cake resistance decreases Filter medium resistance increases Filter medium resistance decreases All the resistances are constant Cake resistance decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. Drying Washing Filtering All of these Drying Washing Filtering All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 1 ∞ 0.5 1 ∞ 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At time zero When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At the end of filtration At time zero When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At the end of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Cutting Attrition Compression Impact Cutting Attrition Compression Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for American standard screens (ASTM and Tyler standard screens) British standard screens All of these German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) British standard screens All of these German standard screens (DIN 1171) etc ANSWER DOWNLOAD EXAMIANS APP
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