14. A 20 mm steel bolt is passes through a aluminium tube, 60 mm external diameter, 30 mm internal diameter and 400 mm long. The tube is closed by rigid washers negligible thickness. If the nut is rotated through half a complete turn, find the stresses due to tightening and change in length of the aluminium bar.
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. A 20 mm steel bolt is passes through a aluminium tube, 60 mm external diameter, 30 mm internal diameter and 400 mm long. The tube is closed by rigid washers negligible thickness. If the nut is rotated through half a complete turn, find the stresses due to tightening and change in length of the aluminium bar.
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1
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A 20 mm steel bolt is passes through a aluminium tube, 60 mm external diameter, 30 mm internal diameter and 400 mm long. The tube is closed by rigid washers negligible thickness. If the nut is rotated through half a complete turn, find the stresses due to tightening and change in length of the aluminium bar.
Explanation:
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