Crane Operator Certification Exam Prep · Question
A crane operator observes that the ground beneath one of the outrigger floats is starting to show signs of settlement during a lift. The load is currently suspended. What is the immediate and most appropriate action the operator should take?
Ground settlement under an outrigger indicates a loss of stability and an imminent tipping hazard. The immediate and safest action is to boom down and lower the
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Question: A crane operator observes that the ground beneath one of the outrigger floats is starting to show signs of settlement during a lift. The load is currently suspended. What is the immediate and most appropriate action the operator should take?
Answer options:
- Slowly swing the load away from the settling side. ✅ Immediately boom down and lower the load to the ground.
- Continue the lift cautiously to complete the task.
- Increase engine RPM to maintain stability.
Correct answer: Immediately boom down and lower the load to the ground.
Explanation: Ground settlement under an outrigger indicates a loss of stability and an imminent tipping hazard. The immediate and safest action is to boom down and lower the load to the ground to relieve stress on the compromised outrigger and prevent a complete tip-over. Swinging the load or increasing RPM would further destabilize the crane.
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- According to most Canadian provincial regulations, who is ultimately responsible for the safe operation of a c
- A crane's rated capacity decreases as the load radius:
- What is the minimum number of full wraps of wire rope that must remain on a hoist drum when the hook is in its
- Before setting up a mobile crane, what is the most important factor to assess regarding ground conditions?
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