Mechanical Operations Size reduction of asbestos and mica is done by Crushing rolls Rod mills Gyratory crushers Hammer mills Crushing rolls Rod mills Gyratory crushers Hammer mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumption in a crusher decreases with increase in the Capacity of the crushing machine Size of the product (at constant feed size) All of these Size of feed (at constant reduction ratio) Capacity of the crushing machine Size of the product (at constant feed size) All of these Size of feed (at constant reduction ratio) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Easier grindability Poor grindability None of these High power consumption in grinding Easier grindability Poor grindability None of these High power consumption in grinding ANSWER DOWNLOAD EXAMIANS APP
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 M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). D²p 1/D²p Dp 1/Dp D²p 1/D²p Dp 1/Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh screen means 200 openings per Cm Inch² Inch Cm² Cm Inch² Inch Cm² ANSWER DOWNLOAD EXAMIANS APP
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