Mechanical Operations Temperature of the product during ultrafine grinding Remains constant Increases May increase or decrease ; depends on the material being ground Decreases Remains constant Increases May increase or decrease ; depends on the material being ground Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Has the dimension of length Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is always less than 1 Has the dimension of length Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Impact Cutting Compression Attrition Impact Cutting Compression Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Flocculation Sorting Sizing Elutriation Flocculation Sorting Sizing Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 12/D.p 6/D.p 4/D.p 2/D.p 12/D.p 6/D.p 4/D.p 2/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Is not affected Increases Increases linearly Decreases Is not affected Increases Increases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
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