Recreational Vehicle (RV) Technician Practice Test

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Prepare for the RV Technician Test with our quiz. Utilize flashcards and multiple-choice questions, complete with hints and explanations. Achieve success in your exam!

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What is the correct level for a properly sized and installed dip tube in a propane DOT cylinder?

10 percent
20 percent
30 percent
50 percent

The correct answer is: 20 percent

The correct level for a properly sized and installed dip tube in a propane DOT cylinder is set at 20 percent. This specification is critical for ensuring safe and efficient operation of the propane system. The dip tube is designed to draw liquid propane from the cylinder. By positioning the dip tube to the 20 percent mark, this ensures that there is sufficient vapor space above the liquid propane, which is necessary for safe and reliable vapor withdrawal during operation. If the dip tube is set too low, it could potentially draw liquid propane instead of vapor, leading to performance issues with appliances that require propane gas in vapor form. On the other hand, setting the dip tube too high would not allow for sufficient liquid propane to be available for use, resulting in a significant reduction in the reliability and capacity of the propane supply. Understanding the nuances of proper dip tube placement is vital for RV technicians to maintain the safety and functionality of propane-fueled appliances in recreational vehicles.