Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 5000 5 500 50 5000 5 500 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The material is crushed in a gyratory crusher by the action of Cutting Compression Impact Attrition Cutting Compression Impact Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Fluid energy mill Micronizer Jet mills All of these Fluid energy mill Micronizer Jet mills All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Powdered food & granular materials Dry chemicals Light metal powder down upto 4 meshsize Heavy tonnages of rocks or gravel Powdered food & granular materials Dry chemicals Light metal powder down upto 4 meshsize Heavy tonnages of rocks or gravel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of specific cake resistance is Gm/gm Cm/gm² Gm/cm² Cm/gm Gm/gm Cm/gm² Gm/cm² Cm/gm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be Wi 1.34 Wi 3.34 Wi 0.5 Wi Wi 1.34 Wi 3.34 Wi 0.5 Wi ANSWER DOWNLOAD EXAMIANS APP
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