A circular steel tube of length L = 1.1 m is loaded in torsion by torques T (see figure). T 12 (a) If the inner radius of the tube is r, = 51 mm and the measured angle of twist between the ends is 0.5°, what is the shear strain y, (in radians) at the inner surface? (Enter the magnitude.) rad (b) If the maximum allowable shear strain is 0.00043 rad and the angle of twist is to be kept at 0.45° by adjusting the torque T, what is the maximum permissible outer radius (r,)may (in mm)? mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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A circular steel tube of length L = 1.1 m is loaded in torsion by torques T (see figure).
T
T
r2
(a) If the inner radius of the tube is r,
= 51 mm and the measured angle of twist between the ends is 0.5°, what is the shear strain y, (in radians) at the inner surface? (Enter the magnitude.)
rad
(b) If the maximum allowable shear strain is 0.00043 rad and the angle of twist is to be kept at 0.45° by adjusting the torque T, what is the maximum permissible outer radius (r,)may (in mm)?
mm
Transcribed Image Text:A circular steel tube of length L = 1.1 m is loaded in torsion by torques T (see figure). T T r2 (a) If the inner radius of the tube is r, = 51 mm and the measured angle of twist between the ends is 0.5°, what is the shear strain y, (in radians) at the inner surface? (Enter the magnitude.) rad (b) If the maximum allowable shear strain is 0.00043 rad and the angle of twist is to be kept at 0.45° by adjusting the torque T, what is the maximum permissible outer radius (r,)may (in mm)? mm
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