Loader Operator Certification Exam Prep · Question
You are loading material into a haul truck that has a rated capacity of 20 cubic metres. Your loader's bucket has a capacity of 4 cubic metres, and you estimate a 90% fill factor due to the material's characteristics. How many bucket loads will typically be required to fill the truck to its rated capacity?
First, calculate the effective bucket capacity: 4 cubic metres * 0.90 = 3.6 cubic metres. Then, divide the truck's capacity by the effective bucket capacity: 20
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Question: You are loading material into a haul truck that has a rated capacity of 20 cubic metres. Your loader's bucket has a capacity of 4 cubic metres, and you estimate a 90% fill factor due to the material's characteristics. How many bucket loads will typically be required to fill the truck to its rated capacity?
Answer options:
- 5 bucket loads ✅ 6 bucket loads
- 4 bucket loads
- 7 bucket loads
Correct answer: 6 bucket loads
Explanation: First, calculate the effective bucket capacity: 4 cubic metres * 0.90 = 3.6 cubic metres. Then, divide the truck's capacity by the effective bucket capacity: 20 cubic metres / 3.6 cubic metres/load = 5.55 loads. Since you can't load a fraction of a bucket, 6 bucket loads will be required to ensure the truck is filled to capacity, accounting for the fill factor.
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Question explanations
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