Pls help me answer all the questions and show neat and whole solution. I hope you can help me I have only one remaining ticket left. 1.) A hollow shaft 4m long transmitted atorque of 25 kN-m. The total angle of twistin this length is 3 degrees and thecorresponding maximum shear stress is80 MPa. Determine the external andinternal diameter of the shaft if G = 85GPa.2.) A shaft is required to transmit 245kWpower at 240 rpm. the maximum torque is50% more than the mean torque. the shearstress in the shaft is not to exceed 40N/mm^2 and the twist is 1 degree per meterlength. Taking G=80kN/mm^2, determinethe diameter required if,a. the shaft is solidb. the shaft is hollow with externaldiameter twice the internal diameter3.) What are the maximum diameter andshear stress induced in the solid shaftwhich will not twist more than 2 degrees ina length of 4.5m when subjected to atorque of 15 kN-m? G = 82 GPa4.) A solid circular shaft has to transmit155kW of power at 250 rpm. If theallowable shear stress is 85 MPa and thepermissible twist is 1 degree in a length of4 m, find the diameter of the shaft. G = 82GPa5.) A solid steel shaft in a rolling milltransmits 25 kW of power at 3 Hz.Determine the smallest safe diameter ofthe shaft if the shear stress is not toexceed 40 MPa and the angle of twist 0 islimited to 6°in a length of 4.5 m. Use G =83 GPa2023-05-21

Given data in question Length 4 m Rotation 3 degree Maximum shear stress 80 Mpa Modulus of rigidity…

1.) A hollow shaft 4m long transmitted a torque of 25 kN-m. The total angle of twist in this length is 3 degrees and the corresponding maximum shear stress is 80 MPa. Determine the external and internal diameter of the shaft if G = 85 GPa.

1.) A hollow shaft 4m long transmitted a torque of 25 kN-m. The total angle of twist in this length is 3 degrees and the corresponding maximum shear stress is 80 MPa. Determine the external and internal diameter of the shaft if G = 85 GPa.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Pls help me answer all the questions and show neat and whole solution. I hope you can help me I have only one remaining ticket left.

1.) A hollow shaft 4m long transmitted a
torque of 25 kN-m. The total angle of twist
in this length is 3 degrees and the
corresponding maximum shear stress is
80 MPa. Determine the external and
internal diameter of the shaft if G = 85
GPa.
2.) A shaft is required to transmit 245kW
power at 240 rpm. the maximum torque is
50% more than the mean torque. the shear
stress in the shaft is not to exceed 40N/
mm^2 and the twist is 1 degree per meter
length. Taking G=80kN/mm^2, determine
the diameter required if,
a. the shaft is solid
b. the shaft is hollow with external
diameter twice the internal diameter
3.) What are the maximum diameter and
shear stress induced in the solid shaft
which will not twist more than 2 degrees in
a length of 4.5m when subjected to a
torque of 15 kN-m? G = 82 GPa
4.) A solid circular shaft has to transmit
155kW of power at 250 rpm. If the
allowable shear stress is 85 MPa and the
permissible twist is 1 degree in a length of
4 m, find the diameter of the shaft. G = 82
GPa
5.) A solid steel shaft in a rolling mill
transmits 25 kW of power at 3 Hz.
Determine the smallest safe diameter of
the shaft if the shear stress is not to
exceed 40 MPa and the angle of twist 0 is
limited to 6°in a length of 4.5 m. Use G =
83 GPa
2023-05-21

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