Loader Operator Certification Exam Prep · Question
A loader operating in a Y-pattern needs to load 450 tonnes of aggregate into trucks, with each truck having a capacity of 30 tonnes. If the loader's cycle time for a Y-pattern is 3 minutes per truck, how many hours will it take to load all the aggregate?
First, calculate the number of trucks needed: 450 tonnes / 30 tonnes/truck = 15 trucks. Then, calculate the total loading time: 15 trucks * 3 minutes/truck = 45
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Question: A loader operating in a Y-pattern needs to load 450 tonnes of aggregate into trucks, with each truck having a capacity of 30 tonnes. If the loader's cycle time for a Y-pattern is 3 minutes per truck, how many hours will it take to load all the aggregate?
Answer options:
- 1.5 hours ✅ 2 hours
- 2.5 hours
- 3 hours
Correct answer: 2 hours
Explanation: First, calculate the number of trucks needed: 450 tonnes / 30 tonnes/truck = 15 trucks. Then, calculate the total loading time: 15 trucks * 3 minutes/truck = 45 minutes. Convert minutes to hours: 45 minutes / 60 minutes/hour = 0.75 hours. Therefore, 0.75 hours will be required.
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Question explanations
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- A heavy-duty loader with articulating steering exhibits difficulty turning to the left, requiring significantl
- A loader operator observes that the hydraulic oil temperature gauge is consistently reading above the normal o
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