Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 85 35 70 50 85 35 70 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 15 - 20 40 - 50 60 - 75 43832 15 - 20 40 - 50 60 - 75 43832 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Wettability None of these Specific gravities Shape Wettability None of these Specific gravities Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A cottrel precipitator makes use of the __________ for dusty air cleaning. Corrona discharge None of these Electric spark Alternating current Corrona discharge None of these Electric spark Alternating current ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Vermiculite Semi-plastic clay Diatomaceous earth Fuller's earth Vermiculite Semi-plastic clay Diatomaceous earth Fuller's earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is Kg/sec KWh/sec. kg KWh/kg KW. sec/kg Kg/sec KWh/sec. kg KWh/kg KW. sec/kg ANSWER DOWNLOAD EXAMIANS APP
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