Practice Summary Of Crane Types (7.1) - Understanding u and X - Construction Engineering & Management

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6 sample questions

Question 1.
What does the operating radius refer to in crane operation?
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Think about how far the crane can reach.
Question 2.
Why are outriggers necessary for a truck-mounted crane?
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Consider what happens when the crane lifts heavy loads.
3Question 3.
What is the Safe Working Load (SWL) of a crane?
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Consider the crane's design and manufacturer's guidelines.
4Question 4.
True or False: Increasing the operating radius increases lifting capacity.
- True
- False
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Recall the relationship between radius and stability.
Question 5.
A truck-mounted crane is rated for a maximum capacity of 100 tons on flat ground with outriggers extended. If deployed without outriggers, what should be the new maximum capacity?
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Think of the impact of outriggers on stability.
Question 6.
A crawler crane has a maximum capacity of 150 tons at a radius of 20m. If the operating radius increases to 40m, what should be done to ensure safety while lifting?
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Recall the effects of a shifting center of gravity.

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