Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Agitated mills and fluid energy mills Micronizers Toothed roll crusher Hammer mills with internal classification Agitated mills and fluid energy mills Micronizers Toothed roll crusher Hammer mills with internal classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Resistance of the cake & the septum Properties of the cake & the filtrate Pressure drop & area of filtering surface None of these Resistance of the cake & the septum Properties of the cake & the filtrate Pressure drop & area of filtering surface None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Vibratory Impact None of these Roll Vibratory Impact None of these Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as disintegrators. Compartment All of these Pebble Cage Compartment All of these Pebble Cage 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 V/D.S S/V 6.V/D.S V/6D.S V/D.S S/V ANSWER DOWNLOAD EXAMIANS APP
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