The correct answer to this question is D, 18 5/8". Knowing the correct length to cut is essential. Many pipe cutting formulas can help determine the exact extent needed to cut. If the question had more information, it could help identify the specific formula needed to know the length to cut.
Pipe cutting is essential to create a profile, such as straight cuts or midsection holes. There are two types of ways to cut pipes. Hot cutting is done through a thermal torch, using either oxyfuel or plasma. The other type, cold cutting, is done through using air or hydraulically powered machines.