Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Decantation Clarification Classification Sedimentation Decantation Clarification Classification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively easier None of these Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased Screening becomes progressively easier None of these Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is always less than 1 Has the dimension of length Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is always less than 1 Has the dimension of length Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated At a speed more than the critical speed At a speed less than the critical speed At a speed equal to the critical speed With minimum possible small balls At a speed more than the critical speed At a speed less than the critical speed At a speed equal to the critical speed With minimum possible small balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.1 to 0.3 0.01 to 0.1 0.2 to 0.8 0.2 to 0.4 0.1 to 0.3 0.01 to 0.1 0.2 to 0.8 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Jigging Froth floatation Classification Tabling Jigging Froth floatation Classification Tabling ANSWER DOWNLOAD EXAMIANS APP
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