Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Non-metallic ores Asbestos & mica Metalliferrous ores Basic slags Non-metallic ores Asbestos & mica Metalliferrous ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products. Buhrstone Roller Pebble Attrition Buhrstone Roller Pebble Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Fluid energy mill Ball mill Jaw crusher Rod mill Fluid energy mill Ball mill Jaw crusher Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Centrifugal filter Gravity filter Vacuum filter Pressure filter Centrifugal filter Gravity filter Vacuum filter Pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 0.5 1 ∞ 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions No units (dimensionless) KWh/ton KW/ton KWh.m1/2/ton No units (dimensionless) KWh/ton KW/ton KWh.m1/2/ton ANSWER DOWNLOAD EXAMIANS APP
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