Associated Locksmiths of America (ALOA) Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which of the following steps is included in the process of decoding master pins?

Adding the change key bitings to the master pins

The process of decoding master pins involves understanding how master key systems operate, specifically how master pins interact with change keys and bottom pins. When you add the change key bitings to the master pins, you are effectively calculating new configurations that will work alongside the bottom pins. This step is crucial as it ensures that the master key can successfully operate the lock in conjunction with the change key setup.

Master pins allow for multiple keys to operate a single lock, and understanding their proper configuration based on the change key bitting is essential for a locksmith. This foundational knowledge aids locksmiths in creating and troubleshooting keying systems effectively, ensuring that each master pin is correctly set to accommodate the various change keys used in a master key system.

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Subtracting bottom pins from master pins

Calculating the average of CK pin sizes

Listing out bottom pins sequentially

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