Practice Using Load Charts For Lifting Capacity (3.3) - Safe Crane Operations

Practice: Using Load Charts for Lifting Capacity

Lesson 3.3Safe Crane Operations

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the purpose of outriggers in crane operation?
Show hintHide hint
What do outriggers do?
Question 2.
What should you do if the soil condition is weak?
Show hintHide hint
What can you use to provide support?
3Question 3.
What is the minimum safe distance to keep from high voltage lines according to OSHA?
- 2 meters
- 3 meters
- 5 meters
Show hintHide hint
Think about safety distances mentioned.
4Question 4.
True or False: Wind speeds greater than 72 kilometers per hour require operators to continue crane operations.
- True
- False
Show hintHide hint
Recall what should be done in high winds.
Question 5.
A crane needs to lift a load from a level 5 meters tall and reach a height of 50 meters. Using a range diagram, how do you calculate the required boom length if the load is 15 meters horizontally away?
Show hintHide hint
Look for the intersection on the diagram, remembering to consider the full height.
Question 6.
Determine the maximum lifting capacity of a crane with a 24,500 kg capacity at a 25m radius when the hook and sling weigh 1,800 kg.
Show hintHide hint
Calculate the net load by subtracting the weight of the rigging from the total capacity.

5 more questions in this section. Enroll free to practise them all.