A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress)

A plate with an elliptical hole in the centre, with semi-major axis (

1.	A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress)
A.	σ [1 + (b/2a)]
B.	σ [1 + (2a/b)]
C.	σ [1 + (b/3a)]
D.	σ [1 + (3a/b)]
Answer» C. σ [1 + (b/3a)]

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