NCIDQ IDFX Practice Exam

What does the term "flush" refer to in the context of a butt hinge?

1. The hinge is recessed into the wall

2. The hinge is at the same level as the door and frame surfaces

3. The hinge is secured tightly with screws

4. The hinge is adjustable for tightness

The correct answer is: The hinge is at the same level as the door and frame surfaces

In the context of a butt hinge, the term "flush" refers to the hinge being installed at the same level as the surfaces of the door and the door frame. This means that when the door is closed, the hinge doesn't protrude outwards or create any unevenness with the surfaces around it. This flush installation is crucial for aesthetic purposes, as it creates a streamlined look, and also for functional reasons, as it prevents the hinge from becoming a point of wear or interference with the operation of the door. In contrast, other options pertain to different aspects of hinge installation or characteristics that do not relate to the flushness. Notably, the idea of a hinge being recessed into the wall refers specifically to a different installation style known as a mortised or concealed hinge, which involves cutting into the door and frame. Similarly, while securing with screws or adjusting for tightness are important for the hinge's functionality, they do not directly define the concept of "flush" in the way the correct answer does.