Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define principal stresses.
💡 Hint: Think about where shear forces have no effect.
Question 2
Easy
What are principal strains?
💡 Hint: Consider the deforming aspect of materials.
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 defines principal stresses?
- Only tensile stresses
- Maximum and minimum normal stresses
- Only compressive stresses
💡 Hint: Consider where shear stresses are absent.
Question 2
Principal planes are characterized by:
- True
- False
💡 Hint: Think about the stress orientations.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A cylindrical rod is subjected to an axial stress of 50 MPa. Calculate the principal stress if the radial stress is 10 MPa.
💡 Hint: Think about how axial and radial stresses correspond to principal stresses.
Question 2
Discuss how understanding principal stresses impacts the design of a skyscraper.
💡 Hint: Focus on safety measures in vertical structures.
Challenge and get performance evaluation