Elevator Mechanic Practice Exam

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What is the maximum leading edges for center opening doors?

  1. ¼ inch

  2. ½ inch

  3. 1 inch

  4. 1 ½ inch

The correct answer is: ¼ inch

The correct answer is that the maximum leading edges for center-opening doors is typically set at ½ inch. This specification is important for ensuring that the edges of the doors do not pose a safety hazard to passengers, especially in busy environments like elevators. The limitation on the leading edge size helps to minimize the risk of pinching or trapping by maintaining a smoother and safer door operation. The standard often puts the maximum size at ½ inch to comply with safety regulations, which aim to ensure that the doors can safely close without causing injury. A leading edge that is larger than this could create a greater risk of injury during door operation, highlighting the importance of adhering to the specified dimensions for safety.

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