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!

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!

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What is one of the three functions served by the single valve of a DOT cylinder?

Pressure gauge
Shut off
Filling only
Liquid carryover

The correct answer is: Shut off

The function that serves as a shut-off is essential for controlling the flow of gas from the DOT cylinder. This single valve allows technicians and users to easily stop the release of gas when needed, making it crucial for safety and operation. When the valve is closed, it prevents any accidental leakage or discharge of gas, ensuring that the contents of the cylinder are contained unless intentional use is intended. The other functions associated with DOT cylinders, such as pressure gauging, filling capabilities, and preventing liquid carryover, are not primarily handled by the single valve. Instead, these aspects are typically managed by additional equipment or design elements that work alongside the valve to ensure safe and efficient operation of the cylinder as a whole.