Intro to Millwright Practice Exam

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True or False: Fuel cylinder hose connections have a notch to indicate a left-handed thread?

  1. True

  2. False

  3. Maybe

  4. Depends

The correct answer is: True

Fuel cylinder hose connections often feature a distinctive notch or marking that signifies a left-handed thread, which is essential for proper assembly. Left-handed threads are used to prevent accidental disconnection or loosening under pressure, particularly in applications involving fuel. This safety measure ensures that connections are made securely and helps to avert potential hazards such as leaks or equipment failures. Such design elements are critical in maintaining the integrity of the entire system, as they provide visual cues for technicians ensuring that the connections are made correctly during installation or maintenance.

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