Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Concentration ratio Selectivity index None of these Separation efficiency Concentration ratio Selectivity index None of these Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt. Speed Thickness Length None of these Speed Thickness Length None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Flight conveyor Bucket conveyor Both B and C Screw conveyor Flight conveyor Bucket conveyor Both B and C Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Diatomaceous earth Fuller's earth Semi-plastic clay Vermiculite Diatomaceous earth Fuller's earth Semi-plastic clay Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a coarse crusher? Smooth roll crusher Gyratory crusher Tube mill Toothed roll crusher Smooth roll crusher Gyratory crusher Tube mill Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ baffles are provided in ball mills. Horizontal No None of these Only two Horizontal No None of these Only two ANSWER DOWNLOAD EXAMIANS APP
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