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3.2. Stability with Outriggers
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Practice test
11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
4 cards from this lesson. Good the night before a test.
Try these first
- 1.
What does 'u' represent in crane stability?
Hint
Think about the center of balance.
- 2.
What should be done to ensure a crane's maximum lifting capacity?
Hint
Consider how cranes convey weight.
- 3.
What does 'X' represent in crane stability calculations?
- Distance from the load line to the fulcrum
- Distance from the boom to the ground
- The total length of the crane
Hint
Think about how loads relate to pivot points.
- 4.
True or False: Outriggers are optional for all types of cranes.
- True
- False
Hint
Consider their role in stability.
- 5.
A crane is set on a slope and not using its outriggers. What safety precautions should be taken before proceeding with a load?
Hint
Review how slope affects balance.
- 6.
Calculate the potential lifting capacity of a crane if the operating radius changes from 10m to 15m. What happens if outriggers are not used?
Hint
Think about the shift in center of gravity and its effects.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting