Excavator Operator Certification Exam Prep · Question
When performing a functional check of the excavator's controls during a pre-operational inspection, what should the operator primarily be checking for?
During a functional check, the operator must primarily ensure that all hydraulic functions (boom, stick, bucket, swing, travel) respond smoothly and responsivel
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Question: When performing a functional check of the excavator's controls during a pre-operational inspection, what should the operator primarily be checking for?
Answer options: ✅ Smooth, responsive movement of all hydraulic functions without lag or unusual noises.
- The speed at which the engine reaches maximum RPM when under load.
- The overall aesthetic condition of the control levers for physical damage.
- The exact calibration of the machine's onboard GPS and telematics systems.
Correct answer: Smooth, responsive movement of all hydraulic functions without lag or unusual noises.
Explanation: During a functional check, the operator must primarily ensure that all hydraulic functions (boom, stick, bucket, swing, travel) respond smoothly and responsively to control inputs, without any noticeable lag, jerking, or unusual noises. This confirms the hydraulic system is operating correctly. (OPSWA Excavator Operator Curriculum, CCOHS guidance)
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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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