Final answer:
The 'wire mesh test for screen contact & spinning top test for timer accuracy' are used for monitoring the quality of diagnostic images. These tests are part of the acceptance testing process for new equipment or equipment that has undergone major repair.
Step-by-step explanation:
The 'wire mesh test for screen contact & spinning top test for timer accuracy' are used for monitoring the quality of diagnostic images. These tests are part of the acceptance testing process for new equipment or equipment that has undergone major repair. The wire mesh test is used to ensure proper contact between the screen and the film or image receptor, while the spinning top test checks the accuracy of the exposure timer.