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repeat problem 517 except calculate the torsional spring constant for a diameter of 025 in also show how the torsional
the helical lock washer in figure p533 has material elastic properties of e and g and cross-sectional properties of a i
figure p531 shows a steel shaft supported by self-aligning bearings and subjected to a uniformly distributed load using
the structure shown figure p532 is fabricated by welding together three pieces of square rod or tubing each having the
figure p541 shows a boom and tie-rod arrangement supporting a load of 6 kn the tie-rod is made of steel having a
a 5-ton elevator is supported by a standard steel cable of 25-in2 cross section and an effective modulus of elasticity
a tensile impact bar similar to the one in figure 74a fractured in service because the failure happened to occur near
the previous chapters have dealt essentially with considerations of stress strain and strength arising from static
assume that the failure rate calculated in problem 641 is unacceptablea to what value would the standard deviation of
assume that the failure rate calculated in problem 639 is unacceptablea to what value would the standard deviation of
a 60-foot-long 950-lb gin pole used to raise sections of a communication tower is suspended by a standard steel cable
the rescue attempt in problem 75 resulted in only slight movement of the stuck car because the cable force decayed so
a tow truck weighing 6000 lb attempts to jerk a wrecked vehicle back onto the roadway using a 15-ft length of steel
a shaft is subjected to a maximum load of 10 kn it is designed to withstand a load of 15 kn if the maximum load
a particular machine part is subjected in service to a maximum load of 10 kn with the thought of providing a safety
consider a polished unnotched specimen made 2024-t4 drawn rod loaded in the longitudinal direction see page mh3-112 the
repeat problem 8a3 except with the specimen made from ti-6a1-4v sheet in the solution treated and aged condition for a
for the tensile impact bar shown in figure p720 estimate the ratio of impact energy that can be absorbed with and
repeat problem 715 where the vertical shaft is 10 mm in diameterproblem 715the vertical drive shaft in figure p231 is
the initial design of a bolt loaded in tensile impact is shown in figure p722a the bolt fractures next to the nut as
consider a polished unnotched specimen made 300m alloy forging loaded in the longitudinal direction see page mh2-60 it
estimate the rotating bending endurance limit and also the 103 -cycle fatigue strength for standard r r moore test
how would the answers to problems 85 and 86 change if the loading is reversed axial loading rather than rotating
repeat problem 85 for reversed torsional loadingproblems 85estimate the rotating bending endurance limit and also the
when in use the shaft shown in figure p827 experiences completely reversed torsion it is machined from steel having a