In the below figure, the point C represents elastic limit upper yield point lowe

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Question
In the below figure, the point C represents
Options
A. elastic limit
B. upper yield point
C. lower yield point
D. breaking point

Correct Answer

lower yield point

Strength of Materials problems

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1. When a body is subjected to bi-axial stress i.e. direct stresses (?_x) and (?_y) in two mutually perpendicular planes accompanied by a simple shear stress (?_xy), then minimum normal stress is
Options
A.
B.
C.
D.

2. In order to avoid tearing off the plate at an edge, the distance from the centre of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm)
Options
A. d
B. 1.5 d
C. 2 d
D. 2.5 d

3. In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress across the thickness of a cylinder is
Options
A. maximum at the outer surface and minimum at the inner surface
B. maximum at the inner surface and minimum at the outer surface
C. maximum at the outer surface and zero at the inner surface
D. maximum at the inner surface and zero at the outer surface

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