Mechanical Operations Size reduction mechanism used in Jaw crushers is Impact Cutting Compression Attrition Impact Cutting Compression Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is Independent of pressure drop Decreased with the time of filtration Important in the beginning of filtration None of these Independent of pressure drop Decreased with the time of filtration Important in the beginning of filtration None of these 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 . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Volatile matter content Differential wettability Density separation Size Volatile matter content Differential wettability Density separation Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding May increase or decrease ; depends on the material being ground Decreases Increases Remains constant May increase or decrease ; depends on the material being ground Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mechanical conveyors does not come under the division 'carriers'? Bucket elevator Belt conveyor Screw conveyor Apron conveyor Bucket elevator Belt conveyor Screw conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
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