Q. A primary purpose of a reference standard is: (Solved)
1. To provide a guide for adjusting instrument controls to reveal discontinuities that are considered harmful to the end use of the product
2. To give the technician a tool for determining exact discontinuity size
3. To provide assurance that all discontinuities smaller than a certain specified reference reflector are capable of being detected by the test
4. To provide a standard reflector which exactly simulates natural discontinuities of a critical size
- c. To provide assurance that all discontinuities smaller than a certain specified reference reflector are capable of being detected by the test