Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Hammer mills with internal classification Agitated mills and fluid energy mills Toothed roll crusher Micronizers Hammer mills with internal classification Agitated mills and fluid energy mills Toothed roll crusher Micronizers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π (π/6)1/2 π/3 (π/6)1/3 π (π/6)1/2 π/3 (π/6)1/3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Electrical energy consumed by a jaw crusher is not a function of the None of these Average product size Average feed size Machine capacity None of these Average product size Average feed size Machine capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main differentiation factor between tube mill and ball mill is the Length to diameter ratio Final product size Operating speed Size of the grinding media Length to diameter ratio Final product size Operating speed Size of the grinding media 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 Size Density separation Volatile matter content Differential wettability Size Density separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Diameter of the rolls Feed size Product size Speed of the rolls Diameter of the rolls Feed size Product size Speed of the rolls ANSWER DOWNLOAD EXAMIANS APP
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