PH8151 EP Important Questions
Anna University Regulation 2017 PH8151 EP Important Questions with Answer Key and 1st SEM PH8151 ENGINEERING PHYSICS Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.
1 Draw stress-strain diagram for brittle and ductile material.
2. What is non-uniform bending and why is said to be non-uniform?
3. What are the different types of stress and strain?
4. Define elastic fatigue.
5. State Hooke’s law.
6. What do you infer from stress and strain diagram?
7. List the three modulii of elasticity.
8. What force is required to stretch a steel wire to double its length when its area of cross section is 2 and young’s modulus is
9. What is Poison’s ratio?
10. How do temperature and impurity affect the elasticity of
materials?
11. Define torque.
12. A wire of length 1 m and diameter 1 mm is clamped at one of its
ends. Calculate the couple required to twist the other end by 90°.
Given modulus of rigidity
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PH8151 Answer Key, EP Unit wise Important Questions- 1st Semester