Recreational Vehicle (RV) Technician Practice Test

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Prepare for the RV Technician Test. Use flashcards and multiple-choice questions with hints and explanations. Ensure your success!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the function of an excess control valve?

To increase propane flow
To monitor temperature
To close when the flow exceeds a prescribed rate
To maintain constant pressure

The correct answer is: To close when the flow exceeds a prescribed rate

An excess control valve serves a critical safety function in propane systems by closing when the flow exceeds a specified rate. This mechanism is essential for preventing potential hazards such as leaks or excessive pressure build-up within the system. When the flow rate surpasses the predetermined threshold, the valve activates to cut off the propane supply, thereby mitigating risks associated with overpressure or massive leaks which could lead to dangerous situations. While there are other devices in the propane system that manage flow and pressure, the excess control valve specifically addresses the critical need for safety by monitoring flow rates and responding appropriately. It plays a vital role in ensuring that the system operates within safe parameters, highlighting the importance of this component in propane system design and function.