Excavator Operator Certification Exam Prep · Question
An excavator operator is loading a tandem-axle dump truck with a volumetric capacity of 12.5 cubic metres. If the excavator bucket has a heaped capacity of 1.8 cubic metres, what is the minimum number of full buckets required to load the truck, assuming no spillage and efficient loading?
To determine the minimum number of buckets, divide the truck's capacity by the bucket's capacity: 12.5 m³ / 1.8 m³ ≈ 6.94. Since you can't use a fraction of a b
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Question: An excavator operator is loading a tandem-axle dump truck with a volumetric capacity of 12.5 cubic metres. If the excavator bucket has a heaped capacity of 1.8 cubic metres, what is the minimum number of full buckets required to load the truck, assuming no spillage and efficient loading?
Answer options: ✅ 7 buckets
- 8 buckets
- 6 buckets
- 9 buckets
Correct answer: 7 buckets
Explanation: To determine the minimum number of buckets, divide the truck's capacity by the bucket's capacity: 12.5 m³ / 1.8 m³ ≈ 6.94. Since you can't use a fraction of a bucket, you need to round up to 7 full buckets. This ensures the truck is filled to its capacity.
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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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