Visual inspection relies upon the detection of surface imperfections using the eye. It is nrmally applied without the use of any additional equipment, however VT can be improved by using aids such as magnifying glasses, mirrors, or borescopes/videoscopes to gain access and closer inspection of the subjected area to improve its effectiveness.
with this visual test, the following work can be done :
- Coating Inspection
- Welding Inspection
- Surface integrity