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? Cylinder (L/D = 1) Sphere Raschig rings Cube Cylinder (L/D = 1) Sphere Raschig rings Cube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.33-0.45 1.5-2.5 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 1.33-1.45 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Impact Attrition Cutting Compression Impact Attrition Cutting Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Limestone is normally crushed in a Roll crusher Hammer crusher Ball mill Tube mill Roll crusher Hammer crusher Ball mill Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.01 to 0.1 0.2 to 0.8 0.1 to 0.3 0.2 to 0.4 0.01 to 0.1 0.2 to 0.8 0.1 to 0.3 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Plate and frame filter press Batch basket centrifuge Vacuum filter Sand bed filter Plate and frame filter press Batch basket centrifuge Vacuum filter Sand bed filter ANSWER DOWNLOAD EXAMIANS APP
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