How much minimum space is required by the hinge for door clearances?

The minimum space required by the hinge for door clearances is typically 22 inches. This spacing accounts for the necessary clearance that allows the door to swing freely without obstruction from the wall or nearby fixtures.

In practical design and construction, ensuring adequate clearance is essential for functionality and safety. A hinge needs sufficient space not only to mount properly but also to allow the door to open fully without hindrance. Since the hinge is a pivotal component of the door's movement, the 22-inch minimum space provides the best balance between accessibility and usability.

The other options suggest either insufficient or excessive spaces, which may not meet practical design standards. Insufficient space could lead to operational issues, while excessive space might not be an efficient use of room dimensions. Thus, maintaining a minimum of 22 inches ensures that the door operates smoothly within typical residential and commercial environments.