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)? Helical screw Propeller Flat blade turbine Curved blade turbine Helical screw Propeller Flat blade turbine Curved blade turbine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by 2π(=2A/D²) π/6(=V/D³) AD/V π(=A/D²) 2π(=2A/D²) π/6(=V/D³) AD/V π(=A/D²) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The size reduction ratio The change in volume due to crushing The new surface created None of these The size reduction ratio The change in volume due to crushing The new surface created None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Cyclone separator between mill & classifier Classifier Neither A nor B Both A & B Cyclone separator between mill & classifier Classifier Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? None of these Cartridge filter Plate and frame filter Shell and leaf filter None of these Cartridge filter Plate and frame filter Shell and leaf filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Decantation Clarification Classification Sedimentation Decantation Clarification Classification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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