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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What equation is used to describe the moment in very short beams?
💡 Hint: Think about the factors that affect moment in a plastic hinge.
Question 2
Easy
What is the significance of the section modulus?
💡 Hint: Consider beam cross-section properties.
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 is the equation for moment capacity in a plastic hinge?
- M_n = Z F_y
- M_n = C_b (M_p - M_r)
- M_{cr} = C_b C_w I + EI GJ C
💡 Hint: Recall the conditions for very short beams.
Question 2
True or False: C_b increases moment capacity for unbraced beams.
- True
- False
💡 Hint: Think about how external loads affect beams at different points.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A steel beam with a section modulus of 30 in^3 and yield strength of 50 ksi is 10 feet long. Calculate the moment in the plastic hinge scenario.
💡 Hint: Apply the principles of moment capacity based on Z and yield strength.
Question 2
Analyze a long steel beam under varying wind loads, using its properties to evaluate potential elastic lateral torsional buckling scenarios.
💡 Hint: Think about how external forces can change the internal state of the beam.
Challenge and get performance evaluation