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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of a winch in a crane?
💡 Hint: What mechanism moves the rope?
Question 2
Easy
Name one type of crane motion.
💡 Hint: What would you call the action of lifting and lowering?
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 lifting mechanism of a crane?
- A. Winch
- B. Gear System
- C. Pulley Chain
💡 Hint: Focus on the first device mentioned in lifting discussions.
Question 2
True or False: Luffing refers to the rotation of a crane's boom.
- True
- False
💡 Hint: Think about the motion that adjusts angle, rather than direction.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a mobile crane with a maximum tipping load of 10 tons. If the weight of the hoisted load is 8 tons and the weight of the boom is 1 ton, what counterweight needs to be added to ensure stability?
💡 Hint: Consider the balance of the crane regarding its tipping factors.
Question 2
If a lattice boom crawler crane can lift a load at a distance of 30 meters with a boom length of 40 meters, what adjustment to the boom angle would provide the most stability?
💡 Hint: Think about how the boom's angle affects the crane's leverage and balance.
Challenge and get performance evaluation