1. Fig. 8.4 shows the attachment of four pulleys to two different types of shafts. Pulleys B and Care connected by a hollow shaft with internal and external diameters of 50 mm and 80 mm respectively. Other pulleys are connected by solid shafts of equal diameters. The torque acting on each pulley is shown in the figure. Find (a) the maximum and the minimum shear stress induced in the hollow shaft. (b) the diameter of the solid shaft, if the maximum shear stress is not to exceed 50 MPa. T₁ - SkN-m TB = 10kN-m A 4 1.2m B Tc=20kN-m TD=5kN-m Vo D 1.0m Fig. 8.4 0.5m

Elements Of Electromagnetics
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1. Fig. 8.4 shows the attachment of four pulleys to two
different types of shafts. Pulleys B and Care connected by a hollow shaft with
internal and external diameters of 50 mm and 80 mm respectively. Other
pulleys are connected by solid shafts of equal diameters. The torque acting
on each pulley is shown in the figure. Find
(a) the maximum and the minimum shear stress induced in the hollow shaft.
(b) the diameter of the solid shaft, if the maximum shear stress is not to
exceed 50 MPa.
T₁ = 5kN-m
K
1.2m
TB
= 10kN-m
B
*
Tc
Fig. 8.4
1.0m
= 20kN-m
TD-SkN-m
Go
D
с
0.5m
✈
Transcribed Image Text:1. Fig. 8.4 shows the attachment of four pulleys to two different types of shafts. Pulleys B and Care connected by a hollow shaft with internal and external diameters of 50 mm and 80 mm respectively. Other pulleys are connected by solid shafts of equal diameters. The torque acting on each pulley is shown in the figure. Find (a) the maximum and the minimum shear stress induced in the hollow shaft. (b) the diameter of the solid shaft, if the maximum shear stress is not to exceed 50 MPa. T₁ = 5kN-m K 1.2m TB = 10kN-m B * Tc Fig. 8.4 1.0m = 20kN-m TD-SkN-m Go D с 0.5m ✈
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