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MNG 401 Containing Questions And Answers
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MNG 401 Containing Questions And Answers
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MNG 401 Containing Questions AndAnswers
The number of mines in the U.S. is approximately: - Answer 13,000
Mining accounts for approximately _____________ of the U.S. economy: - Answer 15%
In the U.S., which fuel minerals do we mine? - Answer coal, uranium
A trade association engages in many activities, including: (choose ALL that apply) - Answer -
Providing technical services of broad interest to its members
- Working with Congress on proposed legislation that would affect its members
Which is a government agency with a major role in the mining industry? - Answer
Environmental Protection Agency
A labor union engages in many activities, including: (choose ALL that apply) - Answer -
Working with companies on matters of mutual interest
- Advocating for the interests of its members
The rank of a coal is based on what? Choose ALL that apply. - Answer - precent of fixed
carbon
- heat value
Higher rank coals are generally harder, contain less moisture, and have higher levels of volatile
matter and higher caloric values. - Answer false
Choose the industrial minerals from this list. - Answer - phosphate
- salt
- talc
- trona
Match the coal rank to its descriptors - Answer anthracite- this is the highest rank of coal
bituminous- this rank of coal looks shiny and smooth, but a closer look shows layers
subbituminous- this rank of coal looks dull
lignite- this coal is known as brown coal
Currently, there are fewer than ten uranium-mining operations in the U.S. - Answer true
Match the activities to the correct stages of mining: - Answer Preparation/construction of the
physical plant - Development
Returning the mine site to its original condition -Reclamation
, MNG 401 Containing Questions And
Answers
Finding an economic concentration of the mineral - Prospecting
Beneficiation activities- Exploitation
A problem in risk management - Exploration
Choose the answer that shows the 5 stages of mining in the correct order: - Answer
Prospecting, Exploration, Development, Exploitation, Reclamation
As related to mining, important acts within the category of Environmental Protection Laws are:
(Choose all the apply) - Answer The Clean Water Act
The Endangered Species Act
Mining companies are legally bound to comply with administrative regulations or face civil or
criminal action. - Answer true
Choose true statements about unpatented claims: (Choose all that apply) - Answer gives the
right to explore and mine
only valid during active work
land can be reverted back to the public domain
Laws are passed by the Government, may have provisions with which mining companies must
comply, and often direct administrative agencies to develop specific regulations to govern how
the laws will be enforced. - Answer true
Rights to prospect, explore, and mine for minerals that are not classified as locatable on public
lands are conveyed by: - Answer leasing the land from the Bureau of Land Management
What is the difference between a mineral resource and a mineral reserve? - Answer A resource
is a potentially feasible deposit and a reserve is that portion of the deposit that can be mined
economically at a point in time
The cutoff grade has been calculated for a specific mine. However, the cutoff grade will change
in the future if (Choose all that apply): - Answer - Dilution increases
- Recovery in the processing plant increases
- The selling price of the refined product increases
During the exploration stage, the goal is to: - Answer Define the deposit in as much detail as is
practicable.
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