One of the example for hydraulic excavator is . . . . . . . .
A. Tractor shovel
B. Poclain shovel
C. Dipper shovel
D. Drag line
Answer: Option B
This Question Belongs to Mining Engineering >> Opencast Mining
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Which test determines the sensitivity of explosive to shock and impact.
A. Rifle bullet test
B. Gap test
C. Ageing test
D. Water resistance test
The mining method which does not distroy the land for agriculture and residential purposes.
A. Striping
B. Open cast
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The output capacity of a drag line with 23 to 30m3 is million cu.m per year is
A. 0.25 to 0.75
B. 3 to 4.5
C. 1.5 to 1.7
D. None
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