Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The new surface created The change in volume due to crushing The size reduction ratio None of these The new surface created The change in volume due to crushing The size reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Specific gravities Wettability Shape None of these Specific gravities Wettability Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main differentiation factor between tube mill and ball mill is the Final product size Length to diameter ratio Operating speed Size of the grinding media Final product size Length to diameter ratio Operating speed Size of the grinding media ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Capacity Both A & B Reduction ratio Neither A nor B Capacity Both A & B Reduction ratio Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Schmidt Weber Brinkman Peclet Schmidt Weber Brinkman Peclet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Neither A nor B Lump size Both A & B Bulk density Neither A nor B Lump size Both A & B Bulk density ANSWER DOWNLOAD EXAMIANS APP
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