Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Apron conveyor Chain conveyor Flight conveyor Belt conveyor Apron conveyor Chain conveyor Flight conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Sizing Elutriation Sorting Flocculation Sizing Elutriation Sorting Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Selectivity index Concentration ratio None of these Separation efficiency Selectivity index Concentration ratio None of these Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Vibrating screen Trommel Grizzly Shaking screen Vibrating screen Trommel Grizzly Shaking screen 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? Sphere Raschig rings Cube Cylinder (L/D = 1) Sphere Raschig rings Cube Cylinder (L/D = 1) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is KW. sec/kg KWh/kg KWh/sec. kg Kg/sec KW. sec/kg KWh/kg KWh/sec. kg Kg/sec ANSWER DOWNLOAD EXAMIANS APP
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