Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)p (S/V)²p (S/V)f √(S/V)p (S/V)p (S/V)²p (S/V)f √(S/V)p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Resistance of the cake & the septum None of these Pressure drop & area of filtering surface Properties of the cake & the filtrate Resistance of the cake & the septum None of these Pressure drop & area of filtering surface Properties of the cake & the filtrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. Size Specific gravity Terminal velocities in the same fluid & in the same field of force None of these Size Specific gravity Terminal velocities in the same fluid & in the same field of force None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Semi-plastic clay Diatomaceous earth Vermiculite Fuller's earth Semi-plastic clay Diatomaceous earth Vermiculite Fuller's earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Gyratory crusher Tube mill Ball mill Toothed roll crusher Gyratory crusher Tube mill Ball mill Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Both A & B Water Neither A nor B Air Both A & B Water Neither A nor B Air ANSWER DOWNLOAD EXAMIANS APP
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