On which factor is the coal fed to the pulverizing mill in ...
Explanation: Bituminous coal is the most commonly used form of coal. It is available in both caking and noncaking forms. It burns with a yellow flame. It has calorific value of about 32000 kJ/kg. It consists of 81%C; 5%H₂; 8% O₂; % N₂; 1% S; and % ash. Caking bituminous coal softens and forms a pasty mass if heated at higher temperature. This coal is used to .