Excavator Operator Certification Exam Prep · Question
An excavator operator is required to load granular material into a dump truck with a capacity of 18 cubic metres. If the excavator bucket has a heaped capacity of 1.25 cubic metres, approximately how many full buckets are needed to completely load the truck?
To determine the number of buckets, divide the truck's capacity by the bucket's capacity: 18 m³ / 1.25 m³/bucket = 14.4 buckets. Since you can't load a partial
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Question: An excavator operator is required to load granular material into a dump truck with a capacity of 18 cubic metres. If the excavator bucket has a heaped capacity of 1.25 cubic metres, approximately how many full buckets are needed to completely load the truck?
Answer options:
- 12 buckets ✅ 14 buckets
- 16 buckets
- 18 buckets
Correct answer: 14 buckets
Explanation: To determine the number of buckets, divide the truck's capacity by the bucket's capacity: 18 m³ / 1.25 m³/bucket = 14.4 buckets. Since you can't load a partial bucket effectively, approximately 14 full buckets (or 14-15 to account for minor variabilities and ensure full load) are needed. This calculation optimizes loading efficiency.
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Question explanations
- During a final inspection of an excavator, prior to beginning work, an operator notices significant play in th
- An excavator operator is preparing to dig a trench in cohesive soil. To achieve maximum breakout force, what a
- Which control typically governs the arm (or dipper arm) movement for an excavator?
- What condition might require sloping or shoring of a trench less than 1.2 meters (4 feet) deep?
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