Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 2/D.p 12/D.p 6/D.p 4/D.p 2/D.p 12/D.p 6/D.p 4/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is (π/6)1/3 (π/6)1/2 π/3 π (π/6)1/3 (π/6)1/2 π/3 π ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by π(=A/D²) AD/V 2π(=2A/D²) π/6(=V/D³) π(=A/D²) AD/V 2π(=2A/D²) π/6(=V/D³) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Coarse feed requires a larger ball Operating speed should be more than the critical speed Fine feed requires a larger ball None of these Coarse feed requires a larger ball Operating speed should be more than the critical speed Fine feed requires a larger ball None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Thickeners Cyclones Classifiers Rotary drum filters Thickeners Cyclones Classifiers Rotary drum filters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To get ultrafine particles, the equipment used is a Hammer crusher Ball mill Rod mill Fluid energy mill Hammer crusher Ball mill Rod mill Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
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