A. Asbestos
B. Rubber
C. Non-metallic ores
D. Limestone
A. LS
B. 93 LS
C. 250 LS
D. √(LS)
A. Abrasive
B. Large quantity of very fine
C. Coarse
D. Non-sticky
A. Wet grinding achieves a finer product size than dry grinding
B. Its capacity decreases with increasing fineness of the products
C. Grinding cost and power requirement increases with increasing fineness of the products
D. All A., B. and C
A. Reduction ratio
B. Capacity
C. Both A. & B.
D. Neither A. nor B.
A. Talc
B. Feldspar
C. Corundum
D. Calcite
A. Calls for relatively less energy for the smaller product particles, than does the Rittinger law
B. Is less realistic in estimating the power requirements of commercial crushers
C. States that the work required to form particle of any size from very large feed is proportional
to the square root of the volume to surface ratio of the product
D. States that the work required for the crushing is proportional to the new surface created