Crane Operator Certification Exam Prep · Question
The site-specific wind speed limit for crane operation is 45 km/h. The current wind speed, measured by an anemometer on site, is 40 km/h with gusts up to 55 km/h. Under these conditions, should the crane operator continue lifting operations?
Crane operation must cease when wind speeds, including gusts, exceed the manufacturer's or site's specified limits. Gusts are critical as they impose sudden, un
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Question: The site-specific wind speed limit for crane operation is 45 km/h. The current wind speed, measured by an anemometer on site, is 40 km/h with gusts up to 55 km/h. Under these conditions, should the crane operator continue lifting operations?
Answer options:
- Yes, because the average wind speed is below the limit.
- Yes, as long as the gusts are infrequent. ✅ No, because the gusts exceed the limit.
- No, only if the load is particularly large or sails easily.
Correct answer: No, because the gusts exceed the limit.
Explanation: Crane operation must cease when wind speeds, including gusts, exceed the manufacturer's or site's specified limits. Gusts are critical as they impose sudden, unpredictable forces that can destabilize the crane or load.
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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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