Mechanical Operations The distribution given by microscopic analysis of powder is Length Number Volume Area Length Number Volume Area 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 Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1.34 1 4.34 0.5 1.34 1 4.34 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Sauter diameter Shape factor Specific surface ratio Surface area per unit mass Sauter diameter Shape factor Specific surface ratio Surface area per unit mass ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the Cage mill Blake jaw crusher Stamp mill Bradford's breaker Cage mill Blake jaw crusher Stamp mill Bradford's breaker ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Nylon fibres Metallic wire woven mesh Cotton fibres Polyester fibres Nylon fibres Metallic wire woven mesh Cotton fibres Polyester fibres ANSWER DOWNLOAD EXAMIANS APP
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