Which structure is described as solid wood joists mounted in an inclined position?

The structure that is described as solid wood joists mounted in an inclined position is known as rafters. Rafters are essential components of a roof, providing support for the roof covering and helping to shape the overall structure. They are typically set at an angle, allowing for a sloped roof design that facilitates water runoff and snow shedding.

In contrast, beams are horizontal supports that typically transfer loads from the roof or upper levels to the vertical supports, such as columns or walls. Joists are horizontal members used to support floors or ceilings, and columns serve as vertical support structures that carry loads from beams or roofs down to foundations. Understanding the specific roles of these components aids in recognizing the unique function of rafters within a roofing system.