Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Collector Conditioner Frother Depressor Collector Conditioner Frother Depressor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Heavy loads & short runs Heavy loads & long runs None of these Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these Small loads & long runs ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Coarse feed requires a larger ball None of these Fine feed requires a larger ball Operating speed should be more than the critical speed Coarse feed requires a larger ball None of these Fine feed requires a larger ball Operating speed should be more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 25 75 50 10 25 75 50 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Square root of the velocity Square of the viscosity Filtration time only Washing time only Square root of the velocity Square of the viscosity Filtration time only Washing time only ANSWER DOWNLOAD EXAMIANS APP
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