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Question: machine design by timothy h wentzell chapter 3 question 9...

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the deflection under a given load must be reauced D ole tan Leaving the width the same, by what amount should the height be increased? Assume load in center and beams are simply supported. 8· The same result for problem 7 could have been obtained by reduc- ing the distance between floor beams. By what percentage shoul this distance be reduced (assume uniform floor load)? .-diameter C1050 9. A 38-inch-long torsion bar is made from a 25-in steel bar, as rolled. What is the maximum twisting angle in degrees to which the bar can be subjected before failure?

Machine Design by Timothy H Wentzell

chapter 3 question 9

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