Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Specific gravities Wettability None of these Shape Specific gravities Wettability None of these Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Spiralling None of these Panning Tabling Spiralling None of these Panning Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mill is used for Attrition Crushing Coarse grinding Fine grinding Attrition Crushing Coarse grinding Fine grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/hr Tons/hr-ft² Both A & B Tons/ft² Tons/hr Tons/hr-ft² Both A & B Tons/ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Forged/cast steel Lead Alloy steel Cast iron Forged/cast steel Lead Alloy steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is None of these 0.6 0.1 0.4 None of these 0.6 0.1 0.4 ANSWER DOWNLOAD EXAMIANS APP
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