The rocker shovel equipment, the power source in Indian mining practice is
A. Battery
B. Compressed air
C. Electricity Max Voltage 6.6 KV AC
D. Electricity Max Voltage 1.1 KV AC
Answer: Option B
This Question Belongs to Mining Engineering >> Mining Machinery
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Coal cutting machine ropes are . . . . . . . . wire rope core.
A. Fibre
B. Steel strand core
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D. All
The joining of ropes is termed as . . . . . . . .
A. Rope stitching
B. Rope splicing
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