Mechanical Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 1 (Q.No. 7)
7.
A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be
Discussion:
58 comments Page 3 of 6.
Rakesh patra said:
9 years ago
Principle stress are maximum or minimum normal stress which may be developed on a loaded body.
Ram prasad said:
9 years ago
Thanks for the given explanation.
Rishu said:
8 years ago
Thanks.
Naeem said:
9 years ago
Simply use Mohr's circle to the equations.
Afrooj said:
8 years ago
Thanks for all for the explanation.
Kaushal roy said:
8 years ago
Two different stress act on a member design should be based on max principal stress so here we find max principal stress.
Yugal Chaudhari said:
6 years ago
Use @Kamal talukdar formula. It is correct.
Dadi Lavanya lahari said:
1 year ago
Thank you for explaining the answer @Sagarbankar.
Pavan dagge said:
4 weeks ago
@All.
The Thermal stress is only induced in a material when its natural expansion or contraction is restrained by external supports or boundaries.
Since the problem specifically states the steel bar is free to expand, it will undergo thermal strain (change in length) without any internal resistance. Because there is no resistance to the deformation, the internal restoring force is zero, resulting in zero stress.
The Thermal stress is only induced in a material when its natural expansion or contraction is restrained by external supports or boundaries.
Since the problem specifically states the steel bar is free to expand, it will undergo thermal strain (change in length) without any internal resistance. Because there is no resistance to the deformation, the internal restoring force is zero, resulting in zero stress.
Rahul prajapati said:
1 decade ago
Normal stress and maximum stress difference tell me.
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