Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . ρ/Vp M/ρ . Vp Vp/m . ρ M . Vp/ρ M . ρ/Vp M/ρ . Vp Vp/m . ρ M . Vp/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its Angle of repose Shatter index Abrasion index HGI Angle of repose Shatter index Abrasion index HGI ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Attrition Cutting Compression Impact Attrition Cutting Compression Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Screen is plugged with solid particles Oversizes are present in undersize fraction Undersizes are retained in oversize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Oversizes are present in undersize fraction Undersizes are retained in oversize fraction Screen capacity is abruptly increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Powdered food & granular materials Light metal powder down upto 4 meshsize Dry chemicals Heavy tonnages of rocks or gravel Powdered food & granular materials Light metal powder down upto 4 meshsize Dry chemicals Heavy tonnages of rocks or gravel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.5 0.78 0.6 0.9 0.5 0.78 0.6 0.9 ANSWER DOWNLOAD EXAMIANS APP
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