Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Wettability Specific gravities Shape None of these Wettability Specific gravities Shape None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultra centrifuges are used for the separation of __________ solid particles. Dissolved Colloidal Coarse Fine Dissolved Colloidal Coarse Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Micronizers Toothed roll crusher Agitated mills and fluid energy mills Hammer mills with internal classification Micronizers Toothed roll crusher Agitated mills and fluid energy mills Hammer mills with internal classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Run either at the same or different speeds Have the same diameter Are rotated towards each other All of these Run either at the same or different speeds Have the same diameter Are rotated towards each other All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi Wi 0.5 Wi 1.34 Wi 3.34 Wi Wi 0.5 Wi 1.34 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Grizzly Trommel Vibrating screen Shaking screen Grizzly Trommel Vibrating screen Shaking screen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS