A compound steel (G= 70 GPa) shaft consists of a solid 59-mm-diameter segment (1) and a solid 39-mm- diameter segment (2). The allowable shear stress of the steel is 76 MPa, and the maximum rotation angle at the free end of the compound shaft must be limited to Pcs 4.6°. Assume ₁-0.6 m and £₂-1.0 m. Determine the magnitude of the largest torque Te that may be applied at C. Express your answer in N-m rounded to three significant digits. L₁ (1) B (2) L2 Tc C X

A compound steel (G= 70 GPa) shaft consists of a solid 59-mm-diameter segment (1) and a solid 39-mm- diameter segment (2). The allowable shear stress of the steel is 76 MPa, and the maximum rotation angle at the free end of the compound shaft must be limited to Pcs 4.6°. Assume ₁-0.6 m and £₂-1.0 m. Determine the magnitude of the largest torque Te that may be applied at C. Express your answer in N-m rounded to three significant digits. L₁ (1) B (2) L2 Tc C X

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.3.12P: A propeller shaft for a small yacht is made of a solid steel bar 104 mm in diameter. The allowable...

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

100%

A compound steel (G= 70 GPa) shaft consists of a solid 59-mm-diameter segment (1) and a solid 39-mm-
diameter segment (2). The allowable shear stress of the steel is 76 MPa, and the maximum rotation angle at
the free end of the compound shaft must be limited to Pcs
4.6°. Assume ₁-0.6 m and £₂-1.0 m. Determine the magnitude of the largest torque Te that may be applied
at C. Express your answer in N-m rounded to three significant digits.
L₁
(1)
B
(2)
L2
Tc
C
X

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B5