Which of the following is true regarding the pressure test duration specified by RV standards?

The assertion that the pressure test duration must always be at least 3 minutes is rooted in the guidelines set forth by RV standards. This duration is established to ensure that the system being tested has adequate time to stabilize and demonstrate any potential leaks or failures. A minimum of 3 minutes allows for a thorough examination of the pressure integrity, ensuring that any issues can be detected reliably.

This timeframe is grounded in safety practices and industry standards, highlighting its importance in maintaining the integrity of RV systems. It ensures that all potential leaks are identified early, which is crucial for safe operation and performance of the vehicle. Adhering to this minimum duration is a critical part of routine testing and safety protocols in RV maintenance.