Excavator Operator Certification Exam Prep · Question
An excavator's 'travel alarm' is a critical safety device. What is its primary function?
The travel alarm, often called a backup alarm, is a mandatory safety device designed to audibly warn ground personnel when the machine is travelling, particular
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Question: An excavator's 'travel alarm' is a critical safety device. What is its primary function?
Answer options:
- To alert the operator if the machine exceeds its maximum safe travel speed. ✅ To provide an audible warning to personnel on the ground when the excavator is moving in reverse.
- To signal to other operators that the excavator is leaving the worksite.
- To indicate when the excavator's tracks are slipping on uneven terrain.
Correct answer: To provide an audible warning to personnel on the ground when the excavator is moving in reverse.
Explanation: The travel alarm, often called a backup alarm, is a mandatory safety device designed to audibly warn ground personnel when the machine is travelling, particularly in reverse, to prevent collisions. (CSA Z150-16 also addresses back-up alarms).
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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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