Final answer:
The question appears to have a potential misunderstanding as none of the options (A. Tunnel Vault, B. Groin Vault, C. Cloister Vault, D. Barrel Vault) accurately describe a vault with a circular cross-section that is larger at one end than the other. Each provided option describes a different established type of vault in classical architecture.
Step-by-step explanation:
The vault with a circular cross section that is larger at one end than the other is not listed in the options provided. Therefore, based on the description, there could be a potential misunderstanding or mismatch between the question and the available answers. The correct answers listed pertain to different types of vaults:
- Barrel Vault: A simple extension of an arch, creating a tunnel-like structure.
- Groin Vault: Formed by the intersection of two barrel vaults at right angles, known for concentrating weight at its corners and allowing for larger windows.
- Cloister Vault: Also known as a domical vault, it consists of four concave surfaces that meet at a central point.
- Tunnel Vault: Another name for a barrel vault.
If the question refers to a vaulted structure where its width differs from one end to the other, none of the options accurately describe such a structure. Traditional barrel, groin, and cloister vaults do not typically have a change in width along their length. Therefore, a more detailed context might be necessary to provide the correct answer.