A) \[12{}^\circ \]
B) \[0.12{}^\circ \]
C) \[1.2{}^\circ \]
D) \[0.012{}^\circ \]
Correct Answer: B
Solution :
Angle of shear \[(\theta )=\frac{x\text{o }\!\!|\!\!\text{ }}{l}\] \[x=4\,mm\,=4\times {{10}^{-1}}\,cm\] \[l=100\,cm,\,\]and \[\text{o }\!\!|\!\!\text{ =}\,\text{3}{{\text{0}}^{o}}\] \[\theta =\frac{4\times {{10}^{-1}}\times {{30}^{o}}}{100}={{0.12}^{o}}\]
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