Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? None of these Bond's law Rittinger's law Kick's law None of these Bond's law Rittinger's law Kick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main differentiation factor between tube mill and ball mill is the Operating speed Size of the grinding media Final product size Length to diameter ratio Operating speed Size of the grinding media Final product size Length to diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 3 85 25 30 3 85 25 30 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Cube Cylinder (L/D = 1) Raschig rings Sphere Cube Cylinder (L/D = 1) Raschig rings Sphere ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Crushing rolls Ball mill Hammer mill Buhrstone mill Crushing rolls Ball mill Hammer mill Buhrstone mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is (π/6)1/2 (π/6)1/3 π/3 π (π/6)1/2 (π/6)1/3 π/3 π ANSWER DOWNLOAD EXAMIANS APP
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