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). V/6D.S S/V 6.V/D.S V/D.S V/6D.S S/V 6.V/D.S V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. None of these Tabling Heavy media separation Elutriation None of these Tabling Heavy media separation Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy absorbed by the solid to the surface energy created by crushing Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to the surface energy created by crushing Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Compression Cutting Attrition Impact Compression Cutting Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Both A & B Cake becomes very dense Filtration pressure rises suddenly Liquor stops flowing out to the discharge Both A & B Cake becomes very dense Filtration pressure rises suddenly Liquor stops flowing out to the discharge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Size Hardness Elasticity Toughness Size Hardness Elasticity Toughness ANSWER DOWNLOAD EXAMIANS APP
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