1

On the area-amplitude ultrasonic standard test blocks, the flat-bottomed holes in the blocks are:

Correct Answer: Different in diameter, increasing by 1/64 inch increments from the No. 1 block to the No. 8 block

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Non Destructive Testing and Evaluation MCQ: On the area-amplitude ultrasonic standard test blocks, the flat-bottomed holes in the blocks are: | Extra Education