A. Contains more volatile matter than bituminous coal B. Ignites more easily than bituminous coal C. Is essentially a coking coal D. Burns with short, bluish, yellow-tipped flame producing very little smoke
A. The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot B. It reduces its calorific value tremendously C. It reduces its flame temperature tremendously D. There are chances of explosion during preheating