Question

Lignite is:

• A. high moisture and ash content coal
• B. low moisture and ash content
• C. has the highest heating value and lowest moisture
• D. the hardest type of coal,

Answer 1

Answer: (A)

high moisture and ash content coal

Lignite is brownish-black in color and has a carbon content around 60–70 percent, a high inherent moisture content sometimes as high as 75 percent, and an ash content ranging from 6–19 percent compared with 6–12 percent for bituminous coal.