Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Frother Modifier Activator Collector Frother Modifier Activator Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Both A & B Neither A nor B Capacity Reduction ratio Both A & B Neither A nor B Capacity Reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, None of these Coarse feed requires a larger ball Fine feed requires a larger ball Operating speed should be more than the critical speed None of these Coarse feed requires a larger ball Fine feed requires a larger ball Operating speed should be more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying rate Varying pressure Constant pressure Constant rate Varying rate Varying pressure Constant pressure Constant rate 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? Cube Raschig rings Sphere Cylinder (L/D = 1) Cube Raschig rings Sphere Cylinder (L/D = 1) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Hammer crusher Roll crusher Ball mill Gyratory crusher Hammer crusher Roll crusher Ball mill Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
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