Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 12/D.p 2/D.p 4/D.p 6/D.p 12/D.p 2/D.p 4/D.p 6/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Tabling None of these Heavy media separation Elutriation Tabling None of these Heavy media separation Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by AD/V π(=A/D²) π/6(=V/D³) 2π(=2A/D²) AD/V π(=A/D²) π/6(=V/D³) 2π(=2A/D²) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Ball mill Gyratory crusher Hammer crusher Roll crusher Ball mill Gyratory crusher Hammer crusher Roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 85 50 35 70 85 50 35 70 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shape factor for a cylinder whose length equals its diameter is 0.5 1.0 2.0 1.5 0.5 1.0 2.0 1.5 ANSWER DOWNLOAD EXAMIANS APP
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