Mechanical Operations Temperature of the product during ultrafine grinding Increases Remains constant 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Are rotated towards each other Have the same diameter Run either at the same or different speeds All of these Are rotated towards each other Have the same diameter Run either at the same or different speeds All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by AD/V D/V √(AD/V) A/V AD/V D/V √(AD/V) A/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the Blake jaw crusher Cage mill Stamp mill Bradford's breaker Blake jaw crusher Cage mill Stamp mill Bradford's breaker ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Accelerating the rate of filtration Deplugging the filter medium Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration Deplugging the filter medium Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? 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 Micronizers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS