Potential source of errors in rbi analysis regarding data quality are the following except

Answer(s): D

The following assumption can be made that significantly impact the calculated corrosion rate early in the equipment life

If the base line thickness were not performed the nominal thickness may be used for the original thickness
If original thickness not available, averaged ut thickness readings may be used
If the original thickness not available, maximum ut thickness readings may be used

Answer(s): A

________________may result in the calculated corrosion rate appearing artificially high or low.

Answer(s): B

The data validation step stresses the need for a knowledgeable individual.

To comparing data from the inspections to the expected deterioration mechanism and rates
To compare the results with previous measurements on that system
Similar systems at the site or within the company or published data
All of the above

Answer(s): D

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