What is the shear stress acting on the outer surface of a hollow shaft – McqOptions

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1.	What is the shear stress acting on the outer surface of a hollow shaft subjected to a torque of 100 Nm?(The inner and outer diameter of the shaft is 15 mm and 30 mm respectively.)
A.	50.26 N/mm
B.	40.24 N/mm
C.	20.120 N/mm
D.	8.74 N/mm
Answer» D. 8.74 N/mm

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