Sulfur Dioxide correct answers A major combustion product of fuels such as coal and oil which may contain up to 5% sulfur.
Soot correct answers The most visible part of smoke, consisting of particles of unburned carbon and tars, but also contaminated with other chemicals.
Bronze Age in China ...
IET 181 Exam 2 || A+ Graded Already.
Sulfur Dioxide correct answers A major combustion product of fuels such as coal and oil which
may contain up to 5% sulfur.
Soot correct answers The most visible part of smoke, consisting of particles of unburned carbon
and tars, but also contaminated with other chemicals.
Bronze Age in China and Middle East correct answers - Early coal users
- England developed early coal technologies
Coke correct answers The residue of carbon left after heating up coal, the heat would drive off
the sulfur impurities.
Pyrolysis correct answers the thermal decomposition of organic material at high temperatures in
the absence of oxygen.
Smoke and Particulate matter (PM) correct answers Smoke may also contain very fine
matriculates such as the unburned greasy soot from a candle flame.
Hard Coal, bituminous, black coal correct answers Upper and older end of the range of coal
Brown coal or lignite correct answers The lower or younger coals
Specific Latent heat of vaporization correct answers The energy needed to evaporate 1 kg of nay
liquid
Underground Minning correct answers Includes not only the deep mines reached by vertical
shafts, but others reached by a long sloping tunnel or drift.
Longwall correct answers Two parallel tunnels or roadways are driven and these defiance the
parcel of coal to be worked.
Deep mines correct answers Worked by tunneling. Includes the process of underground mining
and long wall.
Surface Mines correct answers Large, open pits in the earth.
Resources correct answers Quantities of coal (or any other mineral) that are likely to actually
exist and could possibly be extracted at some time in the future.
Reserves correct answers Known with considerable certainty to exist and would be economic to
extract with today's technology and in today's market.
Top coal reserve countries correct answers United States, Russia, China, Australia, India
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