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Additional board-style practice items for this topic.
A circular hole is to be punched in a plate that has a shear strength of 40 ksi. The working compressive stress for the punch is 50 ksi.
Compute the maximum thickness of a plate in which a hole 2.5 in. in diameter can be punched.
If the plate is 0.25 in. thick, determine the diameter of the smallest hole that can be punched.
Solution pending in psadquestions/q286.json.
Find the smallest diameter bolt that can be used in the clevis if P=400kN and the working shear stress for the bolt is 300MPa. It
Answer:
Solution pending in psadquestions/q287.json.
What minimum force (in kN) is required to punch a 25-mm-diameter hole in a plate that is 20mm thick? The shear strength of the plate is 330MPa. Factor of safety = 1.5.
Answer:
Solution pending in psadquestions/q288.json.
When solving the minimum safe diameter of the cross-section given various stress conditions, the following values have been computed: 12.4mm, 13.6mm, 14.2mm, and 15.3mm. What should you use as the minimum safe diameter?
Answer:
Solution pending in psadquestions/q289.json.