Oklahoma Locksmith Practice Exam

When hand changing a safe combination, the locksmith should:

1. Use the Sargent and Greenleaf changing procedure

2. Use a random number to change it

3. Change it silently

4. Change it every week

The correct answer is: Use the Sargent and Greenleaf changing procedure

Using the Sargent and Greenleaf changing procedure when hand changing a safe combination is the correct choice because this method provides a systematic and reliable way to ensure the combination is successfully altered without the risk of compromising the safe's security. The procedure is specifically designed for certain types of locks, particularly those manufactured by Sargent and Greenleaf, which are known for their high-quality security products. By following this established method, locksmiths maintain the integrity of the lock and minimize the chances of errors that could lead to malfunctioning or unintended accessibility. The Sargent and Greenleaf procedure outlines steps that ensure every part of the lock is properly adjusted, allowing the new combination to function correctly. This is important in ensuring that the lock not only accepts the new combination but does so consistently and securely. In contrast, using a random number to change the combination lacks a structured approach, which could lead to selecting an insecure or invalid combination. Changing the combination silently is not typically a focus of safe changing procedures, as it could mislead the owner about whether the combination has been successfully changed. Finally, changing the combination every week, while it may seem like a good security practice, is impractical and unnecessary for most users and could lead to confusion or increased chances of forgetting the