Excavator Operator Certification Exam Prep · Question
During pre-operation checks, an operator notices that the engine oil pressure warning light on the instrument panel remains illuminated after starting. What is the immediate and correct action?
An illuminated engine oil pressure warning light indicates critically low oil pressure, which can lead to severe engine damage if not addressed immediately by s
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Question: During pre-operation checks, an operator notices that the engine oil pressure warning light on the instrument panel remains illuminated after starting. What is the immediate and correct action?
Answer options:
- Continue operating the machine for a few minutes to see if the light turns off. ✅ Immediately shut down the engine and investigate the cause.
- Increase engine RPM to try and build oil pressure.
- Check the fuel level, as it might be related.
Correct answer: Immediately shut down the engine and investigate the cause.
Explanation: An illuminated engine oil pressure warning light indicates critically low oil pressure, which can lead to severe engine damage if not addressed immediately by shutting down the engine.
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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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