An alloy steel bar with a yield stress of 250 MPa and Young's modulus of 200 GPa, is loaded and supported as shown in Figure Q4. The loading collar at B is free to slide on section BC. The diameters of sections AB and CD are 30 mm and the diameter BC is 20 mm. Determine: a) The normal stresses in each section of this alloy steel bar. b) If the maximum stress in the alloy steel bar can be considered as the allowable stress, what is the factor of safety for this bar? c) The horizontal displacement of point C relative to point A.

An alloy steel bar with a yield stress of 250 MPa and Young's modulus of 200 GPa, is loaded and supported as shown in Figure Q4. The loading collar at B is free to slide on section BC. The diameters of sections AB and CD are 30 mm and the diameter BC is 20 mm. Determine: a) The normal stresses in each section of this alloy steel bar. b) If the maximum stress in the alloy steel bar can be considered as the allowable stress, what is the factor of safety for this bar? c) The horizontal displacement of point C relative to point A.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Pressure Vessels

The term pressure vessel refers to a closed container that contains gas or liquid at a different pressure than environment pressure. The pressure vessels have a wide scale of applications in our day-to-day lives and other industrial places. Some common examples of pressure vessels are gas cylinders, autoclaves, compressor vessels, etc.

Question

4. An alloy steel bar with a yield stress of 250 MPa and Young's modulus of 200 GPa, is
loaded and supported as shown in Figure Q4. The loading collar at B is free to slide
on section BC. The diameters of sections AB and CD are 30 mm and the diameter BC
is 20 mm. Determine:
a) The normal stresses in each section of this alloy steel bar.
b)
If the maximum stress in the alloy steel bar can be considered as the allowable
stress, what is the factor of safety for this bar?
c) The horizontal displacement of point C relative to point 4.
4m
30KN
30KN
2m 3m
100KN
-80KN
Figure Q4
[Ans: a) GAB= 56.6 MPa (C), σBC = 63.7 MPa (T), 6cp= 113.2 MPa (C); b) F.S = 2.2; c)
dc = -0.493 mm]

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