What is principal stress?

Q.  Principal stress is the magnitude of ________ stress acting on the principal plane.
- Published on 21 Sep 15

a. Normal stress
b. Shear stress
c. Both a. and b.
d. None of the above

ANSWER: Normal stress
 

    Discussion

  • Sravanthi   -Posted on 25 Nov 15
    - Principal stress is the magnitude of normal stress acting on the principal plane.

    - Principle plane: The plane on which only normal stresses act and attain maximum and minimum value is called as principle plane

    - The shear stress acting on this principle plane is zero.

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