Q. Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 15C to 40C. what will be developed?

(A) compressive stress
(B) tensile stress
(C) shear stress
(D) no stress

💬 Discuss

✅ Correct Answer: (D) no stress

Explanation: if we resist to expand then only stress will develop. here the bar is free to expand so there will be no stress.

Published by Mr. Dubey ⭐ 104.82K Points at 15-Sep-2023 12:28 am in Design of Machine Elements

Explanation by: Mr. Dubey

if we resist to expand then only stress will develop. here the bar is free to expand so there will be no stress.

💬 Discussion

📊 Question Analytics

👁️

560

Total Visits

📽️

3 y ago

Published

🎖️

Mr. Dubey

Publisher

📈

93%

Success Rate