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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a basic component of a crane used for lifting?
💡 Hint: Think of simple machines like levers.
Question 2
Easy
What does luffing refer to in crane operations?
💡 Hint: Consider how you might adjust a pole to lift something.
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 primary purpose of cranes?
- Transportation of people
- Lifting and moving loads
- Drilling
💡 Hint: Think about what makes cranes useful on sites.
Question 2
True or False: The angle of the boom affects the lift capacity of the crane.
- True
- False
💡 Hint: Consider balance when changing positions.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A construction site uses a mobile crane with a boom length of 40 meters. If the boom's angle is adjusted to allow for an upward lift, what happens to the load limit?
💡 Hint: Consider how the stability changes with angle adjustments.
Question 2
A tower crane is fixed in concrete and has a maximum lifting capacity of 10 tons at a 30-meter radius. Calculate its safe lifting loads if wind adds an additional 2 tons to the load.
💡 Hint: Look at how added weights affect the crane's rated capacities.
Challenge and get performance evaluation