3.13 The shaft consisting of steel and aluminum segments carries the torques T and 27. Find the largest allowable value of T if the working shear stresses are 14000 psi for steel and 7500 psi for aluminum, and the angle of rotation at the free end must not exceed 8°. Use G = 12 x 10° psi for steel and G 4 x 106 psi for aluminum. luminum 600 N m 1.5 in. 900 N m 27 2 ft 1100 N m 800 N m Steel 2 in.- 2 m- 3 ft -2 m- 3 m FIG. P3.13 FIG. P3.14

Elements Of Electromagnetics
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3.13 The shaft consisting of steel and aluminum segments carries the torques T
and 27. Find the largest allowable value of T if the working shear stresses are 14000
psi for steel and 7500 psi for aluminum, and the angle of rotation at the free end must
not exceed 8°. Use G= 12 x 10° psi for steel and G 4 x 106 psi for aluminum.
luminum
600 N m
1.5 in.
900 N m
27
2 ft
1100 N m
800 N m
Steel
2 m-
2 in. -
3 ft
2 m-- 3 m
FIG. P3.13
FIG. P3.14
3.14 Four pulleys are attached to the 50-mm-diameter aluminum shaft. If torques
are applied to the pulleys as shown in the figure, determine the angle of rotation of
pulley D relative to pulley A. Use G = 28 GPa for aluminum.
Transcribed Image Text:3.13 The shaft consisting of steel and aluminum segments carries the torques T and 27. Find the largest allowable value of T if the working shear stresses are 14000 psi for steel and 7500 psi for aluminum, and the angle of rotation at the free end must not exceed 8°. Use G= 12 x 10° psi for steel and G 4 x 106 psi for aluminum. luminum 600 N m 1.5 in. 900 N m 27 2 ft 1100 N m 800 N m Steel 2 m- 2 in. - 3 ft 2 m-- 3 m FIG. P3.13 FIG. P3.14 3.14 Four pulleys are attached to the 50-mm-diameter aluminum shaft. If torques are applied to the pulleys as shown in the figure, determine the angle of rotation of pulley D relative to pulley A. Use G = 28 GPa for aluminum.
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