UT Question 6/6/19

Dear All, please I need your support to understand and reply the below question:

The ratio of areas between (1/64") diameter and (8/64") diameter flat bottomed hole:

A) 1: 8

B) 1: 16

C) 1: 32

D)1: 64

Regards

1 Reply

  • The question is asking how much larger one area is than the other. so work out the areas and divide one by the other and you will get the ratio. This is essentially the 20LogA1/A2 equation except without the 20Log. Hope this helps
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