Which statement best describes how a threaded nozzle should be prepared before filling?

• A. It must be firmly attached and properly threaded
• B. It can be loosely attached
• C. It should be removed before filling
• D. It is optional

Answer: (A)

The main idea here is ensuring a tight, leak-free connection between the fill nozzle and the container. A threaded nozzle must be firmly attached and properly threaded before filling so propane can flow through the intended path without escaping at the connection. A loose connection can leak gas under pressure, creating a fire hazard and wasting product. Removing the nozzle or treating the connection as optional would leave a gap or misalignment that allows gas to escape, which is unsafe. A secure, correctly threaded fit is essential for safe and effective filling.