Mechanical Operations Toothed roll crushers achieve size reduction by Neither A nor B Impact and attrition Tearing (shear) and compression Both A & B Neither A nor B Impact and attrition Tearing (shear) and compression Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Compression Impact Cutting Attrition Compression Impact Cutting Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 25 10 75 50 25 10 75 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Trough washer Baum jig washer Froth floatation Spiral separator Trough washer Baum jig washer Froth floatation Spiral separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Nylon fibres Metallic wire woven mesh Polyester fibres Cotton fibres Nylon fibres Metallic wire woven mesh Polyester fibres Cotton fibres ANSWER DOWNLOAD EXAMIANS APP
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
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