As a best practice, when a combination is changed, how many times should the new combination be tried before closing the door or drawer?

As a best practice, when a combination is changed, how many times should the new combination be tried before closing the door or drawer?

• A. 2
• B. 4
• C. 3
• D. 5

Answer: (C)

When you change a combination, you want to verify that the new code actually works reliably. Testing it by opening with the new combination multiple times confirms that you can reproduce the sequence consistently and that there’s no mis-entry or timing issue in the lock’s mechanism. Trying three successful openings before closing offers enough evidence of reliability without being excessive. Two attempts could miss a rare slip, while four or five are usually more than necessary for everyday use unless you’re in a high-security setting. So, three trials provides a solid, practical balance to ensure the change is valid.

When you change a combination, you want to verify that the new code actually works reliably. Testing it by opening with the new combination multiple times confirms that you can reproduce the sequence consistently and that there’s no mis-entry or timing issue in the lock’s mechanism. Trying three successful openings before closing offers enough evidence of reliability without being excessive. Two attempts could miss a rare slip, while four or five are usually more than necessary for everyday use unless you’re in a high-security setting. So, three trials provides a solid, practical balance to ensure the change is valid.