• March 16th, 2016


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Identify the method used and explain why you selected that approach and make good use of diagrams in your solution.


A pressurised steel cylinder, being used as a hydraulic ram, has 200mm external diameter and 150mm internal diameter.  In order to strengthen and prolong its life another cylinder 250mm external diameter, of the same material, is shrunk on to it.  If the maximum tensile stress induced in the steel is limited to 80N/mm2

Determine whether the new design internal pressure is higher or lower compared with the original design.

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