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

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What are grooves in relation to a key or keyway?

Portions of the key or keyway that match the lands

Grooves in relation to a key or keyway refer to the specific areas cut into the key that align with the corresponding features of the lock's keyway. These grooves are the depressed sections that alternate with the lands, which are the raised areas on the key. The interaction between the grooves and lands allows the key to correctly fit into the lock, ensuring that the pins are properly aligned to allow for the opening mechanism to function smoothly. This design is crucial for the operating mechanism of the lock and is integral to the key's functionality as it ensures that only the correct key can operate the lock.

The depth and position of these grooves are specifically designed to match the internal components of the lock, allowing for the unique identification of a key that corresponds to its lock. This precise alignment is what ultimately provides security, as it prevents unauthorized keys from successfully turning in the lock.

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Deep cuts for improved security

Visible markings for key identification

Outer edges of the key blank

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