In the gear system of Figure 4, a torque of 5 N-m is applied on gear E. Shaft (1) and shaft (2) are both solid shafts with the length of 300 mm and diameter of 10 mm. They are made ofthe same material with the shear modulus G = 50 GPa. The bearings allow free rotation of the shafts.70 teeth30 teethB(1)TE = 5 N-m(2)E20 teeth60 teethFigure 4 38. Determine the reaction torque TA at gear A to keep the entire gear system in equilibrium:OA. TA = 0.549 N-mOB. TA = 0.714 N-mOC. TA = 4.985 N•mOD. TA = 8.376 N-m39. Determine the maximum shear stress T, in shaft (2):OA. T2 = 13.96 MPaОВ. Тр 3 18.72 MPaаОС. Тр 25.48 MPа%3DOD. T2 = 37.86 MPa40. Determine the angle of twist egA between gear A and gear E:OA. OEA = 0.061 radОВ. ӨЕА — 0.075 гadOC. eEA = 0.150 radOD. OEA = 0.263 rad

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In the gear system of Figure 4, a torque of 5 N-m is applied on gear E. Shaft (1) and shaft (2) are both solid shafts with the length of 300 mm and diameter of 10 mm. They are made of the same material with the shear modulus G = 50 GPa. The bearings allow free rotation of the shafts. 70 teeth 30 teeth (1) TE = 5 N-m E 20 teeth

In the gear system of Figure 4, a torque of 5 N-m is applied on gear E. Shaft (1) and shaft (2) are both solid shafts with the length of 300 mm and diameter of 10 mm. They are made of the same material with the shear modulus G = 50 GPa. The bearings allow free rotation of the shafts. 70 teeth 30 teeth (1) TE = 5 N-m E 20 teeth

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Design of Shafts and Shaft Components

The shaft is basically defined as the machine element that rotates, is in circular cross-section, it is majorly used to transfer the power from one part of the system to another, or from a power generating machine to a power absorbing machine. The shaft is supported on bearings and is rotated with the help of a set of gears or pulleys that are used for the power transmission. Bending moment, torsion, and an axial force act upon the shaft. Designing of shaft primarily involves determining stresses at a critical point in the shaft that is arising due to loading.

Question

In the gear system of Figure 4, a torque of 5 N-m is applied on gear E. Shaft (1) and shaft (2) are both solid shafts with the length of 300 mm and diameter of 10 mm. They are made of
the same material with the shear modulus G = 50 GPa. The bearings allow free rotation of the shafts.
70 teeth
30 teeth
B
(1)
TE = 5 N-m
(2)
E
20 teeth
60 teeth
Figure 4

38. Determine the reaction torque TA at gear A to keep the entire gear system in equilibrium:
OA. TA = 0.549 N-m
OB. TA = 0.714 N-m
OC. TA = 4.985 N•m
OD. TA = 8.376 N-m
39. Determine the maximum shear stress T, in shaft (2):
OA. T2 = 13.96 MPa
ОВ. Тр 3 18.72 MPaа
ОС. Тр 25.48 MPа
%3D
OD. T2 = 37.86 MPa
40. Determine the angle of twist egA between gear A and gear E:
OA. OEA = 0.061 rad
ОВ. ӨЕА — 0.075 гad
OC. eEA = 0.150 rad
OD. OEA = 0.263 rad

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