Excavator Operator Certification Exam Prep · Question
If ground personnel need to enter a trench, what must be in place to ensure their safe ingress and egress?
OHS regulations mandate safe means of entry and exit for trenches greater than 1.2m (4ft) deep. This typically involves a ladder or ramp extending well above th
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Question: If ground personnel need to enter a trench, what must be in place to ensure their safe ingress and egress?
Answer options: ✅ A ladder or ramp that extends at least 1 meter (3 feet) above the trench top.
- The excavator bucket positioned to act as a step.
- A rope lowered from the excavator for pulling them out.
- Plywood boards laid across the trench.
Correct answer: A ladder or ramp that extends at least 1 meter (3 feet) above the trench top.
Explanation: OHS regulations mandate safe means of entry and exit for trenches greater than 1.2m (4ft) deep. This typically involves a ladder or ramp extending well above the top of the trench to provide secure handholds.
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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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