Mechanical Operations Which of the following minerals is not subjected to magnetic separation method? Galena Chromite Siderite Rutile Galena Chromite Siderite Rutile 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). S/V 6.V/D.S V/D.S V/6D.S S/V 6.V/D.S V/D.S V/6D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Neither A nor B Electrolyte Both A & B Surface active agent Neither A nor B Electrolyte Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Toothed roll crusher Gyratory crusher Tube mill Ball mill Toothed roll crusher Gyratory crusher Tube mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) 1/R S 1/μ All of these 1/R S 1/μ All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Micronizers Agitated mills and fluid energy mills Toothed roll crusher Hammer mills with internal classification Micronizers Agitated mills and fluid energy mills Toothed roll crusher Hammer mills with internal classification ANSWER DOWNLOAD EXAMIANS APP
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