Final answer:
No-hub cast iron soil pipe is correctly joined with a stainless steel clamp and a neoprene sleeve to create a sealed joint, and this statement is true.
Step-by-step explanation:
No-hub cast iron soil pipe is indeed joined using a stainless steel clamp and a neoprene sleeve that seals the joint. The answer to this question would be true. These materials and methods are regularly used in modern plumbing to ensure secure and leak-proof connections between sections of cast iron pipe.