Which term describes the weight of the propane cylinder with no fuel inside it?

The term that describes the weight of the propane cylinder when it is empty, without any fuel inside it, is tare weight. Tare weight is specifically used to refer to the weight of an empty container or vehicle. This is crucial for understanding how much fuel is actually being carried when the cylinder is filled.

In the context of propane cylinders, knowing the tare weight allows technicians and users to calculate the net weight of the propane by subtracting the tare weight from the gross weight (which includes the weight of the cylinder plus the fuel). This calculation is vital for safety and regulatory compliance, ensuring that the cylinder is filled appropriately and can be transported safely without exceeding weight limits.

The other terms, such as gross weight, net weight, and operating weight, all pertain to different measurements that do not specifically indicate the weight of the empty cylinder. Gross weight includes the cylinder and its contents, net weight refers to the weight of the contents alone, and operating weight typically describes the weight when fully operational, often including equipment or setups associated with the cylinder. Thus, tare weight is the correct term for the empty cylinder's weight.