Mechanical Operations Separation of solid particles based on their densities is called Clarification Dispersion Sorting Sizing Clarification Dispersion Sorting Sizing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Undersizes are retained in oversize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Oversizes are present in undersize fraction Undersizes are retained in oversize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Oversizes are present in undersize fraction 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. 5 5000 50 500 5 5000 50 500 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power All of these Employs smaller balls Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power All of these Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill All of these Produces finer products Uses smaller balls Is long in comparison with its diameter All of these Produces finer products Uses smaller balls Is long in comparison with its diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Cylinder (L/D = 1) Sphere Raschig rings Cube Cylinder (L/D = 1) Sphere Raschig rings Cube ANSWER DOWNLOAD EXAMIANS APP
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