According to maximum normal stress theory, the maximum normal stress

1.	According to maximum normal stress theory, the maximum normal stress in the shaft is
A.	(1/2) × √(σ² × 4τ²)
B.	√(σ² × 4τ²)
C.	(1/2) × [σ + √(σ² × 4τ²)]
D.	σ + √(σ² × 4τ²)
Answer» D. σ + √(σ² × 4τ²)

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According to maximum normal stress theory, the maximum normal stress in the shaft is

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