What type of manufactured carpet is described as always cut pile, has a heavily ribbed back, and rolls easily in the length direction?

The correct answer describes woven Axminster carpet. Axminster carpets are a specific type of woven carpet characterized by their cut pile construction, which gives them a plush feel and a distinctive appearance. The heavily ribbed backing is a hallmark of Axminster carpets, providing both structural integrity and ease of rolling, particularly along the length of the carpet. This design facilitates transportation and installation.

Woven Axminster carpets are known for their durability and high-quality manufacturing process, which allows for intricate patterns and designs. Their ability to roll easily in the length direction is important for shipping and handling, making them preferred choices in applications where both aesthetics and practicality are vital.

Other carpet types may exhibit different characteristics or manufacturing processes that do not align with the questions’ description, which is why they do not fit as well as the woven Axminster carpet.