An aluminium wire of 5 𝑚𝑚 diameter twisted for one complete revolution without exceeding a shear stress of 42 MN per meter squre and 𝐶𝐶 = 27 GN per meter square. The length of the wire will be nearly:
A. 10.1 𝑚
B. 7.6 𝑚
C. 5.1 𝑚
D. 1.6 𝑚
Answer:A
An aluminium wire of 5 𝑚𝑚 diameter twisted for one complete revolution without exceeding a shear stress of 42 MN per meter squre and 𝐶𝐶 = 27 GN per meter square. The length of the wire will be nearly:
A. 10.1 𝑚 B. 7.6 𝑚 C. 5.1 𝑚 D. 1.6 𝑚