QUESTION $1$

$1\mathrm{.}1$ Briefly discuss non$-$destructive testing of composites and list three purposes of nondestructive testing.

$1\mathrm{.}2$ There is a variety of testing methods that have been automated for production of composites and in$-$service inspection is frequently executed using conventional manual inspection equipment. Briefly discuss the X $-$radiography inspection method and list the three types of x$-$radiography inspection used.

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