The high strength, square-threaded bolt that holds the three plates together has a nominal diameter of 1 in. The coefficient of friction is ue = 0.36. The mean diameter of the thread is 0.94 in. The lead of the bolt is L = 0.160 in. Neglect friction between the nut and the washer. Determine the torque one must apply in in. · Ib to the nut to induce a tension of 47,500 lb. (Enter the magnitude.) in. · Ib When that tension is achieved, determine the torque in in. required to loosen the bolt. (Enter the magnitude.) in. Ib

Question
The high strength, square-threaded bolt that holds the three plates together has a nominal diameter of 1 in. The coefficient of friction is ue = 0.36. The mean diameter of the thread is 0.94 in. The lead of the bolt is L = 0.160 in. Neglect
friction between the nut and the washer.
Determine the torque one must apply in in. · Ib to the nut to induce a tension of 47,500 lb. (Enter the magnitude.)
in. · Ib
When that tension is achieved, determine the torque in in.
required to loosen the bolt. (Enter the magnitude.)
in. Ib
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Transcribed Image Text

The high strength, square-threaded bolt that holds the three plates together has a nominal diameter of 1 in. The coefficient of friction is ue = 0.36. The mean diameter of the thread is 0.94 in. The lead of the bolt is L = 0.160 in. Neglect friction between the nut and the washer. Determine the torque one must apply in in. · Ib to the nut to induce a tension of 47,500 lb. (Enter the magnitude.) in. · Ib When that tension is achieved, determine the torque in in. required to loosen the bolt. (Enter the magnitude.) in. Ib

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