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[Engineering Version] Daily Question 20171101

2017-11-01View Original

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After the final tightening of high-strength large hex head bolt assemblies, 2 to 3 threads of the bolts should be exposed; it is permissible for ( ) of the bolts to have 1 or 4 threads exposed.   A.15%   B.10%   C.22%   D.5%

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