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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the basic lifting mechanism found in cranes?
💡 Hint: Think of what lifts the load in various devices.
Question 2
Easy
Name two types of motion cranes can perform.
💡 Hint: Consider how cranes move and lift.
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 type of crane allows for 360-degree rotation?
- Mobile Crane
- Tower Crane
- Slewing Crane
💡 Hint: Think about the functions a crane needs to perform in tight spaces.
Question 2
True or False: The weight of the boom affects the crane's stability.
- True
- False
💡 Hint: Think about balance and load in a lever system.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a crane is lifting a load of 1000 kg, with its boom weighing 200 kg, and a wind load of 50 kg, calculate the overturning moment given the fulcrum is 5 meters from the load.
💡 Hint: Remember to include all weights on the load side.
Question 2
A tower crane has a counterweight of 800 kg. If the crane weighs 1200 kg (excluding the boom), can it safely lift a load of 1500 kg positioned at a distance of 4 meters from the fulcrum?
💡 Hint: Calculate both moments and compare for stability.
Challenge and get performance evaluation