QA Form 17SI is used for documenting which of the following?

QA Form 17SI is specifically designed for documenting Stud Installation Records. This form is used in the quality assurance process to capture essential information related to the installation of studs within various construction and manufacturing processes. Proper documentation ensures that the installation meets the necessary standards and specifications required for compliance and quality control.

In contrast, other options such as Pipe and Machinery Tests, Ultrasonic Inspections, and Radiographic Tests pertain to different forms and documentation within the QA process, aligning with their respective testing and inspection activities. These forms are tailored to the specific requirements of those tests and do not serve the purpose of documenting stud installation, distinguishing QA Form 17SI as the correct choice for that specific context.