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MNG 230 FINAL Test With Questions And Answers
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MNG 230 FINAL Test With Questions AndAnswers
Mining accounts for approximately ______ of the US economy - Answer 15%
In the US, which fuel minerals do we mine - Answer coal, uranium
a labor union found at many unionized mine sites is - Answer United Mine Workers of America
(UMWA)
A major trade association in the mining industry is - Answer National Stone, Sand, and Gravel
Association (NSSGA)
A labor union engages in many activities, including: - Answer working with companies on
matters of mutual interest
advocating for the interests of its members
which statement about us mining laws is true - Answer in most cases, if a state's regulation is
less protective than the corresponding federal regulation, then a mine will be required to comply
with the federal regulation
a trade association engages in many activities including - Answer working with congress on
proposed legislation that would affect its members
providing technical services of broad interest to its members
the rank of a coal is based on what - Answer heat value
percent fixed carbon
what is the fundamental difference between a maceral and a mineral - Answer one is organic
and the other is inorganic
currently there are fewer than ten uranium-mining operations in the US - Answer true
what is the goal if mineral processing - Answer to concentrate the minerals of interest
to beneficiate the valuable components of the ore
to liberate the minerals of interest
choose the industrial minerals from this list - Answer salt
talc
phosphate
trona
, MNG 230 FINAL Test With Questions And
Answers
acme mining company has just moved into your small, scenic community. which of the
following ideas might the company employ to build a positive relationship with the people and
community in which they are located - Answer hold an acme mine community day with a
cookout, mine tours, and an explanation of sound mining practices
which of these key federal agencies routinely has at least one inspector at each mining operation
multiple times per year and in large mines this agency often has at least one inspector on site
nearly every single day - Answer MSHA
match the coal rank to its descriptors - Answer anthracite- this is the highest rank of coal
bituminous- rank of coal characterized by a heating value and is the most common type of coal
used in electricity generation in US
subbituminous- not the greatest in the heating value department, but not the worst of the four
lignite- lowest grade of coal with least amount of carbon
match the rank of coal to its descriptors - Answer anthracite- hard, brittle, black, shiny called
hard coal
bituminous- looks shiny and smooth but close look shows many layers
subbituminous- looks dull
lignite- known as brown coal
choose the answer that shows the 5 stages of mining in the correct order - Answer prospecting,
exploration, development, exploitation, reclamation
match the activities to the correct stages of mining - Answer beneficiation activities-
exploitation
leaving area free of safety and environmental hazards- reclamation
preparing for extraction of the ore/material- development
finding geologic anomalies- prospecting
a problem in risk management- exploration
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