Mobile Crane Operator — Core Knowledge
Operations: practice questions
Our Crane Operator bank has 23 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
Can an operator bypass or disable safety devices to complete a lift?
- Yes, if in a hurry
- Yes, for small loads
- Yes, with a coworker's permission
- No
Show the answer
D. No — Defective devices must be repaired or temporary alternatives followed per OSHA.
Question 2
What should be done before swinging a load?
- Make sure the swing area is clear and barricaded
- Lower the outriggers further so the crane sits higher off the ground
- Speed up the swing
- Turn off the LMI
Show the answer
A. Make sure the swing area is clear and barricaded — The rotating superstructure can crush workers.
Question 3
What is 'boom deflection'?
- Swinging the boom
- The bending of the boom under load, which increases the load radius
- Retracting the boom
- Raising the boom angle
Show the answer
B. The bending of the boom under load, which increases the load radius — Increased radius reduces capacity.