Mechanical Operations The grinding in a hammer crusher takes place due to the Neither A nor B Attrition Both A & B Impact Neither A nor B Attrition Both A & B Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloidal mills are used for __________ grinding. Ultrafine Coarse Fine Intermediate Ultrafine Coarse Fine Intermediate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Requires more energy Has less capacity None of these Complicates handling & classification of the product Requires more energy Has less capacity None of these Complicates handling & classification of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Dp/Df Df/Dp Df - Dp None of these Dp/Df Df/Dp Df - Dp None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Impact Vibratory None of these Roll Impact Vibratory None of these Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Roll crusher Hammer crusher Gyratory crusher Ball mill Roll crusher Hammer crusher Gyratory crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP