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Strength of Materials

Mohr's Circle for Stress

Which of the ...

Question

Which of the following stresses is measured on inclined surface in Mohr's Circle Method?

A

Principal stress

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B

Normal stress

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C

Tangential stress

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D

Maximum stress

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Solution

The correct option is C Tangential stress
The transformation equations for plane stress can be represented in graphical form by a plot known as Mohr's Circle. This graphical representation is extremely useful because it enables to visualize the relationships between the normal and shear stresses acting on various inclined planes at a point in a stressed body. Using Mohr's circle the principal stresses, maximum shear stresses and stresses (normal as will as tangential) on inclined planes can also be calculated.

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Similar questions

Q. Mohr's stress circle helps in determining which of the following?
1. Normal stresses on one plane.
2. Normal and tangential stresses on two planes.
3. Principal stresses in all three directions.
4. Inclination of principal planes.
Select the correct answer using the codes given below:

Q. The Mohr's circle give below corresponds to which one of the following stress conditions.

Q. A specimen is subjected to a pure shear stress regime of intensity

τ

. The resulting tensile and compressive stresses

σ

, which occur on planes inclined at 45° to the direction of the shear stresses, would be

Q. Read the following two statements and then identify the correct choice of the given answers.
A : The frictional force acting on a body of mass m which is at rest on a horizontal surface of coefficient of static friction

^{'} μ_{s}^{'}

μ_{s} m g

in the absence of external force.
B : The frictional force acting on a body of mass m which is at rest on a rough inclined surface of angle of inclination

θ

θ

.

Q. Consider the following statements?
1. The maximum shear stress is one half of the normal stress in the case of uniaxial stress field.
2. In biaxial stress field, acted upon by normal stresses unaccompanied by shear stresses, the maximum shear stress is any one of the normal stresses.
3. The Mohr's stress circle will be tangential to the vertical axis in the case of uniaxial stress field.
Which of the above statements are correct?

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