Mechanical Operations Reciprocal of sphericity is termed as the Surface area per unit mass Sauter diameter Shape factor Specific surface ratio Surface area per unit mass Sauter diameter Shape factor Specific surface ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. Secondary Ultrafine Primary Fine Secondary Ultrafine Primary Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Ratio of discharge opening to feed opening None of these Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product Ratio of discharge opening to feed opening None of these Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π(=A/D²) None of these π/6(=V/D³) AD/V π(=A/D²) None of these π/6(=V/D³) AD/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)? Propeller Flat blade turbine Curved blade turbine Helical screw Propeller Flat blade turbine Curved blade turbine Helical screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.007 50 0.014 0.3 0.007 50 0.014 0.3 ANSWER DOWNLOAD EXAMIANS APP
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