What is the heat content of one pound of good coal?

The heat content of one pound of good coal typically falls within the range of 13,000 to 14,000 BTUs. This measurement, known as the British Thermal Unit (BTU), indicates the amount of heat energy produced when coal is burned. Good-quality coal, particularly bituminous coal, offers a higher energy output due to its carbon content and combustion properties.

Understanding heat content is essential in stationary engineering as it directly impacts efficiency in energy production. Operators need to manage fuel selection to optimize energy output, and knowing the heat content helps in selecting suitable materials for specific applications. This knowledge enables better performance in systems that rely on coal for heating or power generation.

Lower ranges found in other choices relate to lesser quality or types of coal, which either have less carbon content or higher impurities, resulting in lower energy efficiency when combusted. Therefore, recognizing that good coal delivers a heat content of 13,000 to 14,000 BTUs is crucial for anyone working within the field of stationary engineering.