From this experiment is 1. Calorific value of coal is 7163.1 cal/g 2. Moisture of coal is 45 percent by weight, Volatile 3.5 percent by weight, Ash 1 percent by weight and Fixed carbon 50.5 percent by weight. 3. Calorific value and quantity Fixed carbon is Lignite. หัวเรื่อง และคำสำคัญ ...