Q2 Find the diameter of a shaft made of 37 Mn 2 steel having the ultimate tensile strength as 600 MPa and yield stress as 440 MPa. The shaft is subjected to completely reversed axial load of 200 kN. Neglect stress concentration factor and assume surface finish factor as 0.8. The factor of safety may be takenas 1.5.

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 3.4.8P: Two sections of steel drill pipe, joined by bolted flange plates at Ä are being tested to assess the...
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The coefficient of friction between the belt and the pulley is 0.3 and the maximum stress in the belt is
limited to 14 N/mm width. If the larger pulley rotates at 120 r.p.m., find the maximum power that can be
transmitted.
Q2
Find the diameter of a shaft made of 37 Mn 2 steel having the ultimate tensile strength as 600 MPa
and yield stress as 440 MPa. The shaft is subjected to completely reversed axial load of 200 kN. Neglect stress concentration
factor and assume surface finish factor as 0.8. The factor of safety may be takenas 1.5.
Q3
a) An universal coupling is used to connect two mild steel shafts transmitting a torque of 6000 N-
m. Assuming that the shafts are subjected to torsion only, find the diameter of the shaft and the pin. The
allowableshear stresses for the shaft and pin may be taken as 55 MPa and 30 MPa respectively.
Transcribed Image Text:The coefficient of friction between the belt and the pulley is 0.3 and the maximum stress in the belt is limited to 14 N/mm width. If the larger pulley rotates at 120 r.p.m., find the maximum power that can be transmitted. Q2 Find the diameter of a shaft made of 37 Mn 2 steel having the ultimate tensile strength as 600 MPa and yield stress as 440 MPa. The shaft is subjected to completely reversed axial load of 200 kN. Neglect stress concentration factor and assume surface finish factor as 0.8. The factor of safety may be takenas 1.5. Q3 a) An universal coupling is used to connect two mild steel shafts transmitting a torque of 6000 N- m. Assuming that the shafts are subjected to torsion only, find the diameter of the shaft and the pin. The allowableshear stresses for the shaft and pin may be taken as 55 MPa and 30 MPa respectively.
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