Which one of the following coals is hard in nature, have little porosity, low reactivity as well as low volatile matter content with fixed carbon present in the coal ranges as high as 92% - 98%, semi metallic, ignite with difficulty and burns with short flame without smoke?
A. Anthracite coal
B. Semi bituminous coal
C. Bituminous coal
D. Lignite or brown coal
Answer:A
Which one of the following coals is hard in nature, have little porosity, low reactivity as well as low volatile matter content with fixed carbon present in the coal ranges as high as 92% - 98%, semi metallic, ignite with difficulty and burns with short flame without smoke?
A. Anthracite coal B. Semi bituminous coal C. Bituminous coal D. Lignite or brown coal