Mining Engineering · all questions

Mine Development and Mining Methods
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Q121

What is the main disadvantage of shrinkage stoping?

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Q122

Which of the following is most often used for initial ore body access in steep terrain?

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Q123

Which method uses "slices" mined from the top downward?

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Q124

What is the purpose of a muck bay in a mine development heading?

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Q125

What does the term "ore dilution" refer to?

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Q126

Which method is best for a deep, massive ore body with competent rock?

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Q127

In underground mining, what is a "chute" used for?

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Q128

What does the term "support resistance" mean in ground control?

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Q129

What is the key factor in choosing between vertical crater retreat and sublevel stoping?

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Q130

Which equipment is essential for cable bolting in underground mines?

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Q131

Which of the following best describes a "development heading"?

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Q132

What is the function of "bulkheads" in underground mines?

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Q133

Which of these is not a common shaft sinking method?

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Q134

Which parameter most influences the spacing of ground support?

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Q135

Which of the following is used for mechanized drilling in longhole stoping?

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Q136

What is the main function of a raise bore machine?

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Q137

Which mining method involves retreating the face and allowing the roof to collapse behind?

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Q138

What is the purpose of a crown pillar in underground mining?

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Q139

Which of the following is best suited for selective mining in irregular ore bodies?

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Q140

Which factor most affects the stability of underground openings?

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