Excavator Operator Certification Exam Prep · Question
An excavator is equipped with outriggers for enhanced stability during lifting. When performing a lift, how should these outriggers typically be positioned?
For maximum stability during a lift, outriggers must be fully extended and properly supported on firm, level ground. This significantly increases the machine's
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Question: An excavator is equipped with outriggers for enhanced stability during lifting. When performing a lift, how should these outriggers typically be positioned?
Answer options:
- Retracted to allow for greater maneuverability. ✅ Extended fully and properly blocked on firm ground.
- Only extended on the side opposite the lift.
- Partially extended to provide a wider stance but maintain flexibility.
Correct answer: Extended fully and properly blocked on firm ground.
Explanation: For maximum stability during a lift, outriggers must be fully extended and properly supported on firm, level ground. This significantly increases the machine's base of support and lifting 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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