Mechanical Operations For spheres, volume shape factor is given by π(=A/D²) 2π(=2A/D²) π/6(=V/D³) AD/V π(=A/D²) 2π(=2A/D²) π/6(=V/D³) AD/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Product has lesser size uniformity Production rate at a given limiting size is lower Specific surface of product is more Operation is economical Product has lesser size uniformity Production rate at a given limiting size is lower Specific surface of product is more Operation is economical ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? None of these Rittinger's law Bond's law Kick's law None of these Rittinger's law Bond's law Kick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium Accelerating the rate of filtration Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium Accelerating the rate of filtration Reducing the filtration pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Specific surface ratio Surface area per unit mass Shape factor Sauter diameter Specific surface ratio Surface area per unit mass Shape factor Sauter diameter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS