Crane Operator Certification Exam Prep · Question
A crane operator is setting up a mobile crane near overhead power lines. The voltage of the power lines is unknown. What is the minimum safe working distance from these power lines that the crane and its load must maintain, according to CSA Z150?
According to CSA Z150, when the voltage of overhead power lines is unknown, a minimum safe working distance of 6 metres must be maintained. Options such as 3 me
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Question: A crane operator is setting up a mobile crane near overhead power lines. The voltage of the power lines is unknown. What is the minimum safe working distance from these power lines that the crane and its load must maintain, according to CSA Z150?
Answer options:
- 3 metres
- 4.5 metres ✅ 6 metres
- 7.5 metres
Correct answer: 6 metres
Explanation: According to CSA Z150, when the voltage of overhead power lines is unknown, a minimum safe working distance of 6 metres must be maintained. Options such as 3 metres or 4.5 metres are insufficient for unknown voltages, posing a significant safety risk.
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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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