One Question per Day (January 28, 2018)
Thread Content
Which types of bituminous coal have a lower ignition point, and which one has the highest? Among bituminous coals, long-flame coal and non-stick coal have lower ignition points, while lean coal has the highest ignition point
Among bituminous coals, long-flame coal and non-stick coal have lower ignition points, while lean coal has the highest ignition point
Among bituminous coals, long-flame coal and non-stick coal have lower ignition points, while lean coal has the highest ignition point.
Peat has the lowest ignition point, while anthracite has the highest.
Peat has the lowest ignition point, while anthracite has the highest.
Long-flame coal and non-stick coal have a lower ignition point. Lean coal and poor coal have the highest ignition points.
Among bituminous coals, long-flame coal and non-stick coal have lower ignition points, while lean coal has the highest ignition point
Among bituminous coals, long-flame coal and non-stick coal have lower ignition points, while lean coal has the highest ignition point
Peat has the lowest ignition point, while anthracite has the highest
Among bituminous coals, long-flame coal and non-stick coal have lower ignition points, while lean coal has the highest ignition point
Among bituminous coals, lignite and bituminose coal, which have the lowest degree of coalification, have the lowest ignition points; followed by semi-bituminous coal, subbituminous coal, and coking coal. Anthracite and lean coal have the highest ignition points.