The figure shows a cutaway view of an assembly in which a solid bronze [G = 6,500 ksi] rod (1) is fitted inside of an aluminum alloy [G = 4,000 ksi] tube (2). The tube is attached to a fixed plate at C, and both the rod and the tube are welded to a rigid end plate at A. The rod diameter is d₁ = 1.65 in. The outside diameter of the tube is D2 = 3.6 in. and its wall thickness is t2 = 0.155 in. Overall dimensions of the assembly are a = 42 in. and b = 12 in. The allowable shear stresses for the bronze and aluminum materials are 9500 psi and 7800 psi, respectively. Further, the rotation angle of end B must be limited to a magnitude of 4.9°. Based on these constraints, what is the maximum torque Tg that can be applied at end B?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The figure shows a cutaway view of an assembly in which a solid bronze [G = 6,500 ksi] rod (1) is fitted inside of an aluminum alloy [G = 4,000 ksi] tube (2).  The tube is attached to a fixed plate at C, and both the rod and the tube are welded to a rigid end plate at A.  The rod diameter is d1 = 1.65 in.  The outside diameter of the tube is D2 = 3.6 in. and its wall thickness is t2 = 0.155 in.  Overall dimensions of the assembly are a = 42 in. and b = 12 in.  The allowable shear stresses for the bronze and aluminum materials are 9500 psi and 7800 psi, respectively.  Further, the rotation angle of end B must be limited to a magnitude of 4.9°.  Based on these constraints, what is the maximum torque TB that can be applied at end B?

The figure shows a cutaway view of an assembly in which a solid bronze [G = 6,500 ksi] rod (1) is fitted inside of
an aluminum alloy [G = 4,000 ksi] tube (2). The tube is attached to a fixed plate at C, and both the rod and the
tube are welded to a rigid end plate at A. The rod diameter is d₁ = 1.65 in. The outside diameter of the tube is
D₂ = 3.6 in. and its wall thickness is t2 = 0.155 in. Overall dimensions of the assembly are a = 42 in. and b = 12 in.
The allowable shear stresses for the bronze and aluminum materials are 9500 psi and 7800 psi, respectively.
Further, the rotation angle of end B must be limited to a magnitude of 4.9°. Based on these constraints, what is
the maximum torque TB that can be applied at end B?
Fixed
End
12
plate
plate
d₁
Rod (1)
Tube (2)
a
D₂
Answer:
TB =
A
Ib.in
b
TB
B
Transcribed Image Text:The figure shows a cutaway view of an assembly in which a solid bronze [G = 6,500 ksi] rod (1) is fitted inside of an aluminum alloy [G = 4,000 ksi] tube (2). The tube is attached to a fixed plate at C, and both the rod and the tube are welded to a rigid end plate at A. The rod diameter is d₁ = 1.65 in. The outside diameter of the tube is D₂ = 3.6 in. and its wall thickness is t2 = 0.155 in. Overall dimensions of the assembly are a = 42 in. and b = 12 in. The allowable shear stresses for the bronze and aluminum materials are 9500 psi and 7800 psi, respectively. Further, the rotation angle of end B must be limited to a magnitude of 4.9°. Based on these constraints, what is the maximum torque TB that can be applied at end B? Fixed End 12 plate plate d₁ Rod (1) Tube (2) a D₂ Answer: TB = A Ib.in b TB B
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