Saved Bookmarks
| 1. |
Magnetic particles with fluorescent coating are seen under which light?(a) White light(b) Infrared light(c) Black light(d) Ultraviolet light |
|
Answer» The correct answer is (d) Ultraviolet light The explanation is: In magnetic particle testing, only ferrous materials can be tested using a magnetic particle test. The casting which is undergoing magnetic inspection, if it is coated with fluorescence, then it has to be viewed in an ultraviolet light only. |
|