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Strength of Materials

Mohr's Circle for Stress

Mohr's stress...

Question

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:

A

1 and 2 only

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B

2 and 3 only

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C

3 and 4 only

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D

2 and 4 only

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Solution

The correct option is D 2 and 4 only

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Similar questions

Q. Which of the following statements are correct for stresses acting on mutually perpendicular faces of a plane element?
1. The sum of the normal stresses in mutually perpendicular planes is equal to the sum of the principal stresses.
2. The shearing stresses in two mutually perpendicular planes are equal in magnitude and direction.
3. Maximum shear stress is half of the difference between principal stresses.

Q. Consider the following statements:
1. On planes having maximum and minimum principal stresses, there will be no tangential stress.
2. Shear stresses on mutually perpendicular planes are numerically equal.
3. Maximum shear stress is equal to half the sum of the maximum and minimum principal stresses.
Which of these statements is/are correct?

Q. Consider the following statements:
Mohr's Circle is used to determine the stress on an oblique section of a body subjected to
1. direct tensile stress on one plane accompanied by a shear stress.
2. direct tensile stresses in two mutually perpendicular directions accompanied by a simple shear stress.
3. direct tensile stress in two mutually perpendicular directions.
4. A simple shear stress
Select the correct answe using the codes given below:

Q. In a strained material, the principal stresses in the x and y directions are 100

N / m m^{2}

(tensile) and 60

N / m m^{2}

(compressive). On an inclined plane, the normal to which makes an angle 30° to the x-axis, what is the tangential stress in

N / m m^{2}

?

Q. A square element is subjected to principal stresses in

N / m m^{2}

as shown in figure below. The intensity of normal stress

σ_{n}

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