Two wires AB and AC are made of steel and wire AD is made of copper. Before the 150 Ib load is applied, AB and AC are each 60 in. long and AD is 40 in. Iong. If the temperature is increased by 80°F, determine the force in each wire needed to support the load. E for steel is 29000 ksi and a = 8 x 106 in / in °F. E for copper is 17000 ksi and a = 9.6 x 106 in / in °F. Each wire has a cross-sectional area of 0.0123 in?. B D C 150 lb A

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A: Answer: The line "J" is called "section line". Therefore, the correct option is (C).

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Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.