Mechanical Operations __________ conveyors are also called scrapers. Screw Apron Both B & C Helical flight Screw Apron Both B & C Helical flight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Reduction ratio Neither A nor B Both A & B Differential roll speed Reduction ratio Neither A nor B Both A & B Differential roll speed ANSWER DOWNLOAD EXAMIANS APP
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. 50 5 500 5000 50 5 500 5000 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Impact Roll None of these Vibratory Impact Roll None of these Vibratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is > 1 1.5 < 1 1 > 1 1.5 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Density separation Volatile matter content Differential wettability Size Density separation Volatile matter content Differential wettability Size ANSWER DOWNLOAD EXAMIANS APP