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 1.34 Wi Wi 3.34 Wi 0.5 Wi 1.34 Wi Wi 3.34 Wi 0.5 Wi 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. 500 50 5000 5 500 50 5000 5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Electrostatic precipitator Wet scrubber Cyclone separator Bag filter Electrostatic precipitator Wet scrubber Cyclone separator Bag filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation? Check plates Jaw plates Crush shaft Toggles Check plates Jaw plates Crush shaft Toggles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively easier Capacity and effectiveness of the screen is increased None of these Screening becomes progressively more difficult Screening becomes progressively easier Capacity and effectiveness of the screen is increased None of these Screening becomes progressively more difficult ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials into products based on the difference of their sizes is called Flocculation Classification Sizing Sorting Flocculation Classification Sizing Sorting ANSWER DOWNLOAD EXAMIANS APP
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