Tare Weight is required when calculating cylinder filling by weight. Which option correctly identifies what tare weight represents?

• A. Volume
• B. Weight
• C. Temperature
• D. Pressure

Answer: (B)

Tare weight is the weight of the empty cylinder itself—the container without any propane inside. In cylinder filling by weight, you weigh the filled cylinder and subtract this tare weight to determine how much propane is inside. This focuses on the container’s mass, not the gas’s volume, temperature, or pressure. Volume is about the space inside the cylinder, while temperature and pressure relate to the gas properties, not to the container’s empty weight.