Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? None of these Bond's crushing law Rittinger's law Kick's law None of these Bond's crushing law Rittinger's law Kick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Grinding element & the housing Neither A nor B Feed particles Both A & B Grinding element & the housing Neither A nor B Feed particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity 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 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 always less than 1 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 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 always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for All of these British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) All of these British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Rotary drum filter Leaf filter (Moore filter) Plate and flame filter Sand filter Rotary drum filter Leaf filter (Moore filter) Plate and flame filter Sand filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The distribution given by microscopic analysis of powder is Volume Number Area Length Volume Number Area Length ANSWER DOWNLOAD EXAMIANS APP
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