1) A hollow steel shaft used in construction has an outer diameter of 150 mm and inner diameter of 100 mm. The steel shaft has a shear modulus of G= 75 GPa and the applied torque is 16 kN/m. a) Compute the shear stress at the outer surface. b) Compute the shear stress at the inner surface. c) Compute the rate of twist in degrees per meter.

1) A hollow steel shaft used in construction has an outer diameter of 150 mm and inner diameter of 100 mm. The steel shaft has a shear modulus of G= 75 GPa and the applied torque is 16 kN/m. a) Compute the shear stress at the outer surface. b) Compute the shear stress at the inner surface. c) Compute the rate of twist in degrees per meter.

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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Question 3 A hollow shaft for marine applications has outer and inner diameters of 400 mm and 200 mm respectively and transmits 8000 kW at 100 r/min. 3.1 Calculate the maximum shear stress in the hollow shaft. /4/ 3.2 Calculate the shear stress on the inner surface of the hollow shaft. /2/ an 3.3 Determine the maximum length of this shaft if the maximum shear stress as well angle of twist of 30 is not to be exceeded. (G = 80 GPa) /3/ 3.4 If this shaft is connected to a similar shaft, 1 m long, through a 10-bolt rigid flange coupling, determine the minimum standard bolt diameter if the pitch circle diameter of the coupling is pcd = 450 mm and the allowable shear stress in the bolts should not exceed 55 MPa. /3/ 3.5 Determine the equivalent torsional stiffness of the shaft assembly. /3/ [15]
PLEASE ANSWER ASAP TY! The shaft shown has a diameter of 30 mm and is fixed at points A and B. Shear Modulus = 75 GPa. a) What is the internal torque in segment AC (in N-m)? b) Determine the maximum torsional shear stress experienced at segment AC (in MPa). c) What is the torsional shear stress at the center of the cross-section of the shaft (in MPa)? d) Determine the reactive torque at point B (in N-m).
Could you answer quickly pls? ( course: strength of materials 1)
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I tried this problem the only way I can think of and I don't know what I could be missing it would be really helpfull if you could show me what I am misssing in my calculations
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