Question

limitations of N.D.T. ​

Answer 1

Answer:

Disadvantages of the penetrant method of Non-Destructive Examination are:

1. Can only detect defects open to the surface.

2. Preparation, before testing, can be time consuming and costly.

3. The method takes time and can rarely be completed in less than 30 minutes.

4. The method cannot normally be applied to painted objects.

Explanation:

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