Crane Operator Certification Exam Prep · Question
When is it permissible for a crane operator to estimate a load's weight without using a manifest or scale?
OHS regulations and industry best practices (e.g., CSA Z150) strictly require that the weight of a load be accurately known before a lift, prohibiting estimatio
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Question: When is it permissible for a crane operator to estimate a load's weight without using a manifest or scale?
Answer options:
- When the load is under 500 kg (1100 lb).
- If the operator has more than 20 years of experience.
- When the lift is non-critical and won't exceed 50% of the crane's capacity. ✅ Never; the load weight must always be accurately known.
Correct answer: Never; the load weight must always be accurately known.
Explanation: OHS regulations and industry best practices (e.g., CSA Z150) strictly require that the weight of a load be accurately known before a lift, prohibiting estimation due to the severe risks of overloading.
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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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