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Strength of Materials

Shear Stress in Rectangular Section

Consider the ...

Question

Consider the following statements:
The shear stress over a beam section of any shape for a given loading does not vary with
1. shear force at the section
2. area of the section
3. moment of inertia of the section
Which of these statements are correct ?

A

1 and 2

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B

1 and 3

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C

2 and 3

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D

1, 2 and 3

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Solution

The correct option is C 2 and 3
At particular section in beam shear force is constant

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Similar questions

Q. Consider the following statements :
1. In a beam, the maximum shear stress occurs at the neutral axis of the beam cross-section.
2. The maximum shear stress in a beam of circular cross-section is 50% more than the average shear stress.
3. The maximum shear stress in a beam of triangular cross-section, with its vertex upwards occurs at b/6 above the neutral axis.

Which of these statements are correct?

Q. Consider the following statements:
When a beam of square cross-section is used with a diagonal in a vertical position,
1. The shear stress distribution across the section of the beam will be maximum at the neutral axis
2. The shear stress distribution across the section of the beam will be zero both at top and bottom
3. The maximum shear stress does not occur at neutral axis

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Q. Consider the following statements for a beam of rectangular cross-section and uniform flexural rigidity EI subjected to pure bending:
1. The bending stresses have the maximum magnitude at the top and bottom of the cross-section.
2. The bending stresses vary linearly through the depth of the cross-section.
3. The bending stresses vary parabolically through the depth of the cross-section.

Which of these statements is/are correct?

Q. Consider the following statements:
1. In a member subjected to uniaxial tensile force the maximum normal stress is the external load divided by the maximum cross-sectional area.
2. When the structural member is subjected to uniaxial loading, the shear stress is zero on a plane where the normal stress is maximum.
3. In a member subjected to uniaxial loading, the normal stress on the planes of maximum shear stress is less than the maximum.
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Q. A beam has triangular cross-section, having base 'b' and altitude 'h'.If a section of the beam is subjected to a shear force F, the shear stress at the level of neutral axis in the cross-section is given by

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