Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 50 25 75 10 50 25 75 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials. Belt Bucket Apron Screw Belt Bucket Apron Screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Smallest Largest Neither A nor B Either A or B Smallest Largest Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Fine Secondary Ultrafine Primary Fine Secondary Ultrafine Primary 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 . R² . ρL ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ½w² . δρL (2R + δ) ½w² . δ² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Gyratory crusher Tube mill Ball mill Toothed roll crusher Gyratory crusher Tube mill Ball mill Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
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