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I am also aware that the questions are derived from code, I would like more clarity for focus on the specific areas covered.
Ikatherien,
It has been awhile when I took my National board exam. As far as I remembered there were two part test math and multiple choice.
For math, the format was you to calculate either required thickness or required pressure for a for a pressure vessel. Then you have to use the code book to figure it out, the formula, material tensile strength, etc. This is a time test.
For multiple choice it may have question about penetrameter, diameter range fro welder qual, or tensile strength for a certain materials. The bottom line is you have to be familiar with the code and where to look for a certain paragraph. This is also a time test and an open book for both.
I hope this will help you.
leem
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