Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Buhrstone mill Ball mill Crushing rolls Hammer mill Buhrstone mill Ball mill Crushing rolls Hammer mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Spiralling Panning Tabling None of these Spiralling Panning Tabling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Feed may be highly abrasive (Moh's scale >5) Rotor shaft carrying hammers can be vertical or horizontal Minimum product size is 3 mm Maximum feed size may be 50 mm Feed may be highly abrasive (Moh's scale >5) Rotor shaft carrying hammers can be vertical or horizontal Minimum product size is 3 mm Maximum feed size may be 50 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation. Kremser Kozney-Karman Hagen-Poiseulle's Fanning's Kremser Kozney-Karman Hagen-Poiseulle's Fanning's ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Grizzly Shaking screen Vibrating screen Trommel Grizzly Shaking screen Vibrating screen Trommel ANSWER DOWNLOAD EXAMIANS APP