1. For best results , the inspector or the machine must have

• Basic knowledge processing , forming, machining and joining processes of materials.

• Understand the stages of design, implementation and service. • Instructions with clear criteria

for acceptance and rejection .

2. What determines the quality of inspection

• The quality of the detector ( eye or camera).

• The lighting conditions.

• The ability to process the data.

• The level of training and attention to detail

3. What it is detected by visual inspection

• They are obviously limited to those that are visible defects such as cracks , pores , wear, cavitation , discoloration , corrosion , etc. , and the dimensional control

4. What is the purpose of using the method of visual inspection ?

to determine the defects found on the surface of the weld , as pores or malformations.

5. What are the benefits of using the method of visual inspection?

this method can be more efficient because have a low cost, and can detected the defects in the

process weld.

6. What Is The Standard For Snt?

Qualification And Certification Of Ndt Personnel.

7. This method is used to determinate?

Quantity.

Size.

Shape or configuration.

Surface finish.

Reflectivity (reflection).

Color characteristics.

Adjustment.

Functional characteristics.

The presence of surface discontinuities.