Drill rod fits in drill chuck by . . . . . . . . joint the bit attached to the rod by . . . . . . . .
A. Bonnet, ring
B. Lap, spring
C. Butt, wrapping
D. Bayonet, wire nail
Answer: Option D
This Question Belongs to Mining Engineering >> Mining Machinery
Related Questions on Mining Machinery
Coal cutting machine ropes are . . . . . . . . wire rope core.
A. Fibre
B. Steel strand core
C. Independent wire rope
D. All
The joining of ropes is termed as . . . . . . . .
A. Rope stitching
B. Rope splicing
C. Rope Stretching
D. Rope volcanizing
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