Mechanical Engineering - Machine Design - Discussion
Discussion Forum : Machine Design - Section 4 (Q.No. 50)
50.
If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value?
Discussion:
21 comments Page 2 of 3.
Rohit Koundal said:
7 years ago
Guest theory for ductile material, which is also maximum shear stress theory also called Teresa theroy.
S K mondal said:
8 years ago
Yes, B is right.
Anonymous said:
7 years ago
The principle stress theory is for brittle material.
The principle shear stress theory is specifically for a ductile material.
So, the correct option is B.
The principle shear stress theory is specifically for a ductile material.
So, the correct option is B.
Abhi said:
8 years ago
Maximum principal stress theory for brittle material Not for ductile.
Sumit Thakur said:
8 years ago
Option (B) Answer is maximum shear stress theory.
Dhanendra thakre said:
9 years ago
In above question there is two-term is used first is , for ductile and second is conservative .
For ductile material two possibilities MSST and MDET. But MSST conservative is most because it has hexagonal form and MDET have an ellipse in charm curve.
For ductile material two possibilities MSST and MDET. But MSST conservative is most because it has hexagonal form and MDET have an ellipse in charm curve.
Vinay BEL said:
5 years ago
Maximum shear stress theory is the right one.
Rajkotha said:
4 years ago
In question, there are two points that need to be noted.
1. Ductile. 2. Most conservative.
Hence for ductile with the most conservative maximum principal stress theory is to be considered.
1. Ductile. 2. Most conservative.
Hence for ductile with the most conservative maximum principal stress theory is to be considered.
Sandip said:
4 years ago
B is the correct answer.
Temesgen Ababu said:
3 years ago
Option D is the right answer, maximum distortion energy theory is applicable.
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