NCIDQ IDFX Practice Exam

What is a unique feature of a mortise lockset compared to a cylindrical lockset?

1. It is less secure than a cylindrical lockset

2. It is installed in a rectangular area cut out of the door

3. It can only be operated with a thumbturn

4. It is easier to install than a cylindrical lockset

The correct answer is: It is installed in a rectangular area cut out of the door

A mortise lockset is characterized by its installation method, which requires a rectangular cut out of the door, allowing the lock to be recessed into the door itself. This design not only provides a sleek and aesthetically pleasing appearance but also contributes to the overall strength and durability of the lock. Mortise locks generally offer more secure installation options because they can accommodate larger, more complex locking mechanisms and are often paired with deadbolts, offering enhanced security for doors. In contrast to cylindrical locksets, which typically require a simple hole drilled through the door, the mortise design creates a stronger connection to the door. Additionally, mortise locks can include additional features and locking mechanisms that are not commonly found in more straightforward cylindrical designs. This makes them suitable for high-traffic areas or settings where security is a priority. Therefore, the unique feature of a mortise lockset is its installation in a rectangular area cut out of the door, distinguishing it from cylindrical locksets.