Mechanical Operations Mesh indicates the number of holes per Square foot Linear inch Linear foot Square inch Square foot Linear inch Linear foot Square inch ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Operating speed should be more than the critical speed None of these Fine feed requires a larger ball Coarse feed requires a larger ball Operating speed should be more than the critical speed None of these Fine feed requires a larger ball Coarse feed requires a larger ball ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh screen means 200 openings per Inch² Cm Inch Cm² Inch² Cm Inch Cm² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Increases May increase or decrease; depends on the machine Decreases Remains unchanged Increases May increase or decrease; depends on the machine Decreases Remains unchanged 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
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