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| Q. |
A disadvantage of the post emulsifiable penetrant process is that: |
| A. | Test pieces can be re-processed several times with little loss of sensitivity |
| B. | It is not very sensitive to open, shallow discontinuities |
| C. | It is less sensitive to degradation in the presence of acids and chromates |
| D. | Emulsifier application is an extra processing step |
| Answer» D. Emulsifier application is an extra processing step | |
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