The hydraulic system in AM 50 miner works at a pressure of . . . . . . . . bars.
A. 180
B. 200
C. 220
D. 250
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
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