A. Run at very high rpm
B. Suitable for sticky materials
C. Suitable for highly abrasive materials
D. All A., B. and C.
A. Jigging
B. Tabling
C. Froth floatation
D. Elutriation
A. Jaw crusher
B. Rod mill
C. Ball mill
D. Fluid energy mill
A. Frother
B. Collector
C. Depressor
D. Conditioner
A. 4
B. 1/4
C. 1
D. 1/2
A. 0.5
B. 1
C. < 1
D. √3
A. μ > tan α
B. μ ≥ tan α
C. μ > tan 2α
D. μ ≤ tan α
A. Electric spark
B. Corona discharge
C. Alternating current
D. None of these
A. Fine (e.g. – 200 mesh size coal)
B. Sticky (e.g. clay paste)
C. Small lumpy (e.g. grains and sand)
D. Free flowing
A. cm-1
B. gm/cm-1
C. cm/gm-1
D. gm-1