Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Increases Decreases exponentially Remains unchanged Decreases Increases Decreases exponentially Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by π(=A/D²) π/6(=V/D³) 2π(=2A/D²) AD/V π(=A/D²) π/6(=V/D³) 2π(=2A/D²) AD/V 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? Raschig rings Sphere Cylinder (L/D = 1) Cube Raschig rings Sphere Cylinder (L/D = 1) Cube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 4.34 1 0.5 1.34 4.34 1 0.5 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Sorting Flocculation Sizing Elutriation Sorting Flocculation Sizing Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Shell & leaf Sand Plate & frame Rotary vacuum Shell & leaf Sand Plate & frame Rotary vacuum ANSWER DOWNLOAD EXAMIANS APP
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