Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Ultrafine Primary Fine Secondary Ultrafine Primary Fine Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cyclones are used primarily for separating Solids from fluids Liquids Solids Solids from solids Solids from fluids Liquids Solids Solids from solids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by π/6(=V/D³) 2π(=2A/D²) π(=A/D²) AD/V π/6(=V/D³) 2π(=2A/D²) π(=A/D²) AD/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Fluid energy mill Ball mill Rod mill Jaw crusher Fluid energy mill Ball mill Rod mill Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Sauter diameter Shape factor Specific surface ratio Surface area per unit mass Sauter diameter Shape factor Specific surface ratio Surface area per unit mass ANSWER DOWNLOAD EXAMIANS APP
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