Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Both A & B Feed material Type of crushing machine Neither A nor B Both A & B Feed material Type of crushing machine Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ½w² . δρL (2R + δ) ½w² . δ² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these Reduction ratio can be varied by adjusting the distance from cage to hammers Crushing takes place by impact breaking Maximum acceptable feed size is 30 cms All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Number Volume Area Length Number Volume Area Length ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Cleaning of coal Water treatment Concentration of iron ore Concentration of pyrites Cleaning of coal Water treatment Concentration of iron ore Concentration of pyrites ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.3 0.007 0.014 50 0.3 0.007 0.014 50 ANSWER DOWNLOAD EXAMIANS APP
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