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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are the main types of cranes discussed in this section?
💡 Hint: Think about the mobility of the cranes.
Question 2
Easy
What is hoisting?
💡 Hint: Relate it to how a crane operates.
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 types of cranes are characterized by their mobility?
- Mobile cranes
- Tower cranes
- Both
💡 Hint: Think about what makes each type unique.
Question 2
True or False: The luffing motion can increase the distance between the load line and the center of rotation.
- True
- False
💡 Hint: Consider what happens when the angle changes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A crane is lifting a load of 3000 kg with a boom weighing 600 kg. If the crane's counterweights total 4000 kg, calculate the tipping and resisting moments, given the fulcrum distance is 5 meters.
💡 Hint: Use the formula for moment, which is force multiplied by distance.
Question 2
Design a scenario where a mobile crane is inefficient for lifting heavy materials. Describe the factors leading to the inefficiency, citing mobility and load capacity.
💡 Hint: Consider the environment and weight of the materials.
Challenge and get performance evaluation