Mobile Crane Operator — Core Knowledge
Site and setup: practice questions
Our Crane Operator bank has 5 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
What hazards should be checked before setting up a crane?
- Only the weather
- Overhead power lines, underground utilities, soft ground, and nearby structures
- Only traffic
- Nothing
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B. Overhead power lines, underground utilities, soft ground, and nearby structures — Plan the site layout.
Question 2
An outrigger float exerts 40,000 lb on a 2 ft × 2 ft pad. What is the ground bearing pressure?
- 20,000 psf
- 10,000 pounds per square foot
- 160,000 pounds per square foot (40,000 × 4)
- 40,000 psf
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B. 10,000 pounds per square foot — 40,000 ÷ 4 ft².
Question 3
Why must the swing radius of the counterweight be barricaded?
- To keep tools organised and stop them being left behind the crane
- To prevent workers from being struck or crushed
- For appearance
- To keep the crane clean
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B. To prevent workers from being struck or crushed — 1926.1424.