Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Thickening Froth floatation Classification Clarification Thickening Froth floatation Classification Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity 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 Has the dimension of length Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle 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 Has the dimension of length Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? None of these Spiralling Panning Tabling None of these Spiralling Panning Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Impact Cutting Attrition Compression Impact Cutting Attrition Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Concentration ratio Separation efficiency Selectivity index None of these Concentration ratio Separation efficiency Selectivity index None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS