Search
.Management Sciences
A. Specific gravities
B. Wettability
C. Shape
D. None of these
Related Mcqs:
- In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the _____________ crushing?
- A. Primary B. Secondary C. Fine D. Ultrafine...
- Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its________________?
- A. Easier grindability B. Poor grindability C. High power consumption in grinding D. None of these...
- Which of the following equations is Rittinger’s crushing law? (Where P = power required by the machine, m = feed rate, k = a constant, D̅ sa & D̅ sb = volume surface mean diameter of feed & product respectively) ?
- A. P/m = K/ √Dp B. P/m = K . ln D̅ sa/D̅ sb C. P/m = K . (1/ D̅ sb – 1/D̅ sa) D. None of these...
- If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the __________________?
- A. Sedimentation B. Flocculation C. Dispersion D. Centrifugation...
- Froth floatation is the most suitable for treating ____________________?
- A. Iron ores B. Sulphide ores C. Quartzite D. None of these...
Recent Comments