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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of principal stress?
💡 Hint: Think about how stress varies within a material.
Question 2
Easy
What test is commonly used to find the critical value of stress?
💡 Hint: Consider what happens when we pull a material.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What test is used to determine critical stress values?
- Impact Test
- Tensile Test
- Bending Test
💡 Hint: Think about what happens when we stretch a material.
Question 2
True or False: Principal stress refers to both maximum and minimum normal stresses.
- True
- False
💡 Hint: Reflect on the definition of principal stress.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the yield strength of a copper wire that fails under a tensile load of 2500N applied to 1.5mm in diameter.
💡 Hint: Convert diameter to radius and remember to calculate area correctly.
Question 2
A solid cylindrical shaft with a diameter of 50mm transmits a torque of 500Nm. Calculate the maximum shear stress experienced by the shaft.
💡 Hint: Use the polar moment of inertia for a solid circular shaft in your calculations.
Challenge and get performance evaluation