A hollow aluminium shaft of 80 mm outer diameter & 60 mm inner diameter is rotating @ 5 Hz when constant 120 KW is applied. Use the following: G(alum)=28 GPa, a=1.80 m, b=0.80m & L=2.60 m. Assumed that the angle of twist is constant. The torque "T1" developed at left fixed support at a is____KN-m (A) 5.03 B) 3.82 C) 2.64 (D) 0.48 (E) 1.18

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
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Question 48
A hollow aluminium shaft of 80 mm outer diameter & 60 mm inner diameter is rotating @ 5 Hz when constant 120 KW is applied.
Use the following: G(alum)-28 GPa, a=1.80 m, b=0.80m & L=2.60 m. Assumed that the angle of twist is constant. The torque "T1"
developed at left fixed support at a is____KN-m
(A) 5.03
B) 3.82
C) 2.64
D) 0.48
(E) 1.18
Transcribed Image Text:Question 48 A hollow aluminium shaft of 80 mm outer diameter & 60 mm inner diameter is rotating @ 5 Hz when constant 120 KW is applied. Use the following: G(alum)-28 GPa, a=1.80 m, b=0.80m & L=2.60 m. Assumed that the angle of twist is constant. The torque "T1" developed at left fixed support at a is____KN-m (A) 5.03 B) 3.82 C) 2.64 D) 0.48 (E) 1.18
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