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 Energy consumption in a crusher decreases with increase in the Size of feed (at constant reduction ratio) Capacity of the crushing machine All of these Size of the product (at constant feed size) Size of feed (at constant reduction ratio) Capacity of the crushing machine All of these Size of the product (at constant feed size) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 40° 32° 16° 46° 40° 32° 16° 46° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Selectivity index Concentration ratio Separation efficiency None of these Selectivity index Concentration ratio Separation efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process opposite to 'dispersion' is termed as the None of these Filtration Flocculation Sedimentation None of these Filtration Flocculation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A fluid energy mill is used for Ultra grinding Cutting Grinding Crushing Ultra grinding Cutting Grinding Crushing ANSWER DOWNLOAD EXAMIANS APP
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