Crane Operator Certification Exam Prep · Question
During a critical multi-crane lift of an irregularly shaped vessel, the primary lift director's radio fails. What is the immediate and most appropriate action according to Canadian site safety protocols?
In a critical multi-crane lift, immediate communication failure of the lift director necessitates an emergency stop to prevent loss of control, uneven loading,
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Question: During a critical multi-crane lift of an irregularly shaped vessel, the primary lift director's radio fails. What is the immediate and most appropriate action according to Canadian site safety protocols?
Answer options: ✅ Signal all crane operators to immediately cease all movement and hold the load in place.
- Switch to backup hand signals and continue the lift if visibility is good.
- Have a supervisor use a bullhorn to relay instructions to the operators.
- Allow the most experienced operator to take over communication.
Correct answer: Signal all crane operators to immediately cease all movement and hold the load in place.
Explanation: In a critical multi-crane lift, immediate communication failure of the lift director necessitates an emergency stop to prevent loss of control, uneven loading, or uncontrolled movement, which could lead to severe consequences, as emphasized by OH&S regulations regarding controlled operations.
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Question explanations
- 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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