Queen closer may be placed A. In header course B. In stretcher course C. In header course next to first brick D. In stretcher course next to first brick

The correct answer is: A. In header course.

A queen closer is a brick that is cut to be half the length of a standard brick. It is used to fill in the space between two headers in a header course. A header course is a course of bricks that are laid on edge, perpendicular to the face of the wall.

A stretcher course is a course of bricks that are laid flat, parallel to the face of the wall. A stretcher course next to the first brick would be a course of bricks that is laid flat, parallel to the face of the wall, and that is immediately adjacent to the first course of bricks in the wall.

A queen closer cannot be placed in a stretcher course because it is too short. It also

A queen closer can be placed in a header course because it is the correct length to fit between two headers. It can also be placed in a header course next to the first brick because it would be able to fit between the first course of bricks and the second course of bricks.