Learn Everything at One Place !

In case of bi-axial state of normal stress, the normal stress on 45°...

Q.  
In case of bi-axial state of normal stress, the normal stress on 45° plane is equal to


Answer & Explanation

Let normal shear stress is σ , then normal stress on a plane at θ = 45 will be,
σθ=σcos²θ
σθ=σcos²(45);
σθ=σ/2;

Thus correct option is: C.

Similar Questions

Start Discussion :




Comments :
More Questions Strength of Materials:

Q.  
The point of contraflexure is a point where

A. Shear force changes sign

B. Bending moment changes sign

C. Shear force is maximum

D. Bending moment is maximum


Answer & Explanation

Q.  
A beam is said to be of uniform strength, if

A. The bending moment is the same throughout the beam

B. The shear stress is the same throughout the beam

C. The deflection is the same throughout the beam

D. The bending stress is the same at every section along its longitudinal axis


Answer & Explanation

Q.  
The rigidity modulus of a material whose E = 210 GPa and Poisson’s ratio is 0.25, will be

A. 84×10^9 Pa

B. 50×10^9 Pa

C. 30×10^9 Pa

D. 20×10^9 Pa


Answer & Explanation

Q.  
The Young’s modulus of elasticity of a material is 2.5 times its modulus of rigidity. The Poisson’s ratio for the material will be

A. 0.25

B. 0.33

C. 0.50

D. 0.75


Answer & Explanation
(Click here) Practice More Questions/MCQ on Strength of Materials