Quick Answer. Water pipes that make a lot of noise when people run water can be caused by high water pressure, loose mounting straps or even a water hammer. Troubleshooting a water system is an important part of home maintenance because a leak is one of the most expensive scenarios that happens within a home. Keep Learning.
The amount of external QA/QC should be a function of the project risk and the process maturity of an organization. As organizations mature, management and staff will implement the proper QA and QC approaches as a matter of habit. When this happens only minimal external guidance and review are needed.
According to Webopedia, Software Quality Assurance, abbreviated as SQA, and also called software assurance, is a level of confidence that software is free from vulnerabilities, either intentionally designed into the software or inserted at any time during its lifecycle, and that the software functions in the intended manner..