Mechanical Engineering - Strength of Materials - Discussion

Discussion Forum : Strength of Materials - Section 6 (Q.No. 38)
38.
The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is
2/3
3/4
1
9/8
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Rupali Shahakar said:   5 years ago
Shear stress for Rectangle = 3/2,
Shear stress for Circle = 4/3,
3/2 ÷ 4/3.
3x3 ÷ 4x2 = 9/8.

BHARAT said:   7 years ago
Please explain this solution clearly.

AMAL said:   10 years ago
1) Max shear stress for rectangle = 3/2*(Average shear stress).

2) Max shear stress (circle) = 4/3*(Average shear stress).

Take ratio answer = 9/8.

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