Question 4 A bolt weighting 10 N is accidently dropped down a 4 m long vertical cast-iron...

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Mechanical Engineering

Question 4

A bolt weighting 10 N is accidently dropped down a 4 m longvertical cast-iron pipe which is closed by means of a rigid flangeat the end. Calculate:

4.1       The instantaneous stressinduced in the material of the pipe if the inside diameter of thepipe is 200 mm and the pipe wall thickness is 10mm.                        

4.2       The instantaneouselongation of thepipe.                                                     

4.3       The gradually appliedload that would produce the same stress as in4.1.   

           E = 140 GPa

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