Question

The angle between the planes of the maximum and minimum principal stress is

180 degree

90 degree

45 degree

22.5 degree

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Answer 1

Answer:

45 degree

Explanation:

Planes of maximum shear stress occur at 45° to the principal planes. 4. The maximum shear stress is equal to one half the difference of the principal stresses. It should be noted that the equation for principal planes, 2θp, yields two angles between 0° and 360°.

Answer 2

The correct option is 45 degree

Principal planes are the planes on which normal stress reaches its maximum and minimum levels.

That is, on the primary plane, there is no shear stress.

The maximum and minimum normal stress planes are at a 90° angle to one another.

Hence, the maximum stress planes are at 45 degrees to the major planes.

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