i need the answer quickly Torsion HomeworkH.wlA solid shaft has to transmit 120 kW of power at 160 rpm. If theshear stress is not to exceed 60 MPa and the twist in a length of3 m must not exceed 1°. Find the suitable diameter of the shaft.Take G = 80 GPa.H.w2Find the diameter of the shaft required to transmit 60 kW at150 rpm if the maximum torque exceeds 25% of the meantorque for a maximum permissible shear stress of 60 MN/mm.Find also the angle of twist for a length of 4 m. TakeG-80GPA.H.w3A solid cylindrical shaft is to transmit 300 kW power at100 r.p.m. (a) If the shear stress is not to exceed 80 N/mm2find its diameter. (b) What percent saving in weight would beobtained if this shaft is replaced by a hollow one whose internaldiameter equals to 0.6 of the external diameter, the length, thematerial and maximum shear stress being the same?

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A solid shaft has to transmit 120 kW of power at 160 rpm. If the shear stress is not to exceed 60 MPa and the twist in a length of 3 m must not exceed 1°. Find the suitable diameter of the shaft. Take G = 80 GPa.

A solid shaft has to transmit 120 kW of power at 160 rpm. If the shear stress is not to exceed 60 MPa and the twist in a length of 3 m must not exceed 1°. Find the suitable diameter of the shaft. Take G = 80 GPa.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.5P: The propeller shaft of a large ship has an outside diameter 18 in. and inside diameter 12 in,, as...

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Torsion Homework
H.wl
A solid shaft has to transmit 120 kW of power at 160 rpm. If the
shear stress is not to exceed 60 MPa and the twist in a length of
3 m must not exceed 1°. Find the suitable diameter of the shaft.
Take G = 80 GPa.
H.w2
Find the diameter of the shaft required to transmit 60 kW at
150 rpm if the maximum torque exceeds 25% of the mean
torque for a maximum permissible shear stress of 60 MN/mm.
Find also the angle of twist for a length of 4 m. Take
G-80GPA.
H.w3
A solid cylindrical shaft is to transmit 300 kW power at
100 r.p.m. (a) If the shear stress is not to exceed 80 N/mm2
find its diameter. (b) What percent saving in weight would be
obtained if this shaft is replaced by a hollow one whose internal
diameter equals to 0.6 of the external diameter, the length, the
material and maximum shear stress being the same?

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