Technical Standards and Safety Authority (TSSA) G3 Practice Exam

The heat content of 1 cubic foot of propane is approximately:

1. 1,000 Btu

2. 2,500 Btu

3. 10,000 Btu

4. 25,000 Btu

The correct answer is: 2,500 Btu

The heat content of propane is a crucial consideration in various applications, particularly in heating and cooking. Specifically, 1 cubic foot of propane has an approximate heat content of 2,500 Btu (British thermal units). This value is significant as it represents the amount of energy available from the combustion of propane, allowing users to gauge how much heating they can expect from a given volume of gas. Understanding the heat content helps in applications such as HVAC systems, water heaters, and gas appliances by allowing users to accurately assess fuel requirements, efficiency, and cost-effectiveness. This understanding also plays a role in safety, ensuring that propane usage aligns with safety standards and equipment specifications. The other options, while being plausible amounts of heat content for different gases or conditions, do not accurately reflect the specific heat content of propane at standard temperature and pressure. Therefore, knowing that 1 cubic foot of propane yields approximately 2,500 Btu is essential for making informed decisions in practical scenarios involving propane usage.