ExamVeda
Login
Home

A steel bar of 5 mm is heated from 25 C...

This question belongs to Mechanical Engineering Strength Of Materials In ME
Strength of Materials in ME
?

A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce

Answer & Solution
Correct Answer: Option A
Stress is nothing but the resisting force since due to temperature rise body will expand and if this expansion due to temperature change is restricted then only resisting stress (thermal stress) will come into play since expansion is not restricted that's why no stress is occurring.
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Strength of Materials in ME

A lap joint is always in _________ shear.
A. Single B. Double C. Both A and B D. None of these
A pressure vessel is said to be a thin shell when the ratio of wall thickness of the vessel to its diameter is __________ $$\frac{1}{{10}}.$$
A. Equal to B. Less than C. Greater than D. None of these
A simply supported beam with a gradually varying load from zero at ‘B’ and ‘w’ per unit length at ‘A’ is shown in the below figure. The shear force at ‘B’ is equal to
Strength of Materials mcq question image
A. $$\frac{{{\text{w}}l}}{6}$$ B. $$\frac{{{\text{w}}l}}{3}$$ C. $${\text{w}}l$$ D. $$\frac{{2{\text{w}}l}}{3}$$
The columns whose slenderness ratio is less than 80, are known as
A. Short columns B. Long columns C. Weak columns D. Medium columns
More Related Questions on Strength of Materials in ME