Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Density separation Volatile matter content Size Differential wettability Density separation Volatile matter content Size Differential wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). 6.V/D.S V/6D.S S/V V/D.S 6.V/D.S V/6D.S S/V V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Speed of the rolls Product size Diameter of the rolls Feed size Speed of the rolls Product size Diameter of the rolls Feed size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gizzlies are used for separating __________ solids. Any size None of these Coarse Fine Any size None of these Coarse Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is KWh/kg KW. sec/kg KWh/sec. kg Kg/sec KWh/kg KW. sec/kg KWh/sec. kg Kg/sec ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 10 times 5 times Same as 2.5 times 10 times 5 times Same as 2.5 times ANSWER DOWNLOAD EXAMIANS APP
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