Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) AD/V π(=A/D²) None of these π/6(=V/D³) AD/V π(=A/D²) None of these π/6(=V/D³) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Mixer-extruder Pug mill Muller mixer Banbury internal mixer Mixer-extruder Pug mill Muller mixer Banbury internal mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the State or manner of application of the crushing force Elastic constant of the material All of these Ultimate strength of the material State or manner of application of the crushing force Elastic constant of the material All of these Ultimate strength of the material ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Brinkman Peclet Schmidt Weber Brinkman Peclet Schmidt Weber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Water treatment Concentration of iron ore Cleaning of coal Concentration of pyrites Water treatment Concentration of iron ore Cleaning of coal Concentration of pyrites ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required to form a particle of any size is proportional to the square 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 a particular size is proportional to the square root 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 any size is proportional to the square 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 a particular size is proportional to the square root 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 ANSWER DOWNLOAD EXAMIANS APP