Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Specific gravities Wettability Shape None of these Specific gravities Wettability Shape 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). V/6D.S V/D.S S/V 6.V/D.S V/6D.S V/D.S S/V 6.V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Assumption that all particles in a single fraction are equal in size, is not needed None of these Fact that screening is more effective Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed None of these Fact that screening is more effective Assumption that all particles in a single fraction are equal in size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultra centrifuges are used for the separation of __________ solid particles. Dissolved Colloidal Coarse Fine Dissolved Colloidal Coarse Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Metal cloth of monel or stainless steel Nylon Cotton fabric Glass cloth Metal cloth of monel or stainless steel Nylon Cotton fabric Glass cloth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main differentiation factor between tube mill and ball mill is the Length to diameter ratio Final product size Size of the grinding media Operating speed Length to diameter ratio Final product size Size of the grinding media Operating speed ANSWER DOWNLOAD EXAMIANS APP
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