Q1: Figure below shows a rotating stepped shaft supported by ball bearings at A and B and loaded by a nonrotating force P and torque T. Determine the factor of safety Nr, if: P=6 KN, T=650 KN.m, oy = 600 MPa, oul = 1200 MPa, and the torque fluctuates 20% each way from mean value. Assumption: The shaft is to be hot rolled from steel, reliability 50%, notch radius 2.5 mm, operation temperature 450 C°. All dimensions in mm.

Q1: Figure below shows a rotating stepped shaft supported by ball bearings at A and B and loaded by a nonrotating force P and torque T. Determine the factor of safety Nr, if: P=6 KN, T=650 KN.m, oy = 600 MPa, oul = 1200 MPa, and the torque fluctuates 20% each way from mean value. Assumption: The shaft is to be hot rolled from steel, reliability 50%, notch radius 2.5 mm, operation temperature 450 C°. All dimensions in mm.

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

i need the answer quickly

Q1: Figure below shows a rotating stepped shaft supported by ball bearings at A and B and loaded by
a nonrotating force P and torque T. Determine the factor of safety Nf, if:
P=6 KN, T=650 KN.m, oy = 600 MPa, oul = 1200 MPa, and the torque fluctuates 20% each way
from mean value.
Assumption: The shaft is to be hot rolled from steel, reliability 50%, notch radius 2.5 mm, operation
temperature 450 Cº. All dimensions in mm.
50
T
C
Dr=3.5
--100---100-
300
100-100-

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