Excavator Operator Certification Exam Prep · Question
What colour of utility marking spray paint indicates the presence of a reclaimed water or irrigation line?
Purple is the standard APWA colour code for marking reclaimed water or irrigation lines, distinguishing them from potable water (blue) or storm sewer (green).
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Question: What colour of utility marking spray paint indicates the presence of a reclaimed water or irrigation line?
Answer options:
- Blue ✅ Purple
- Green
- Red
Correct answer: Purple
Explanation: Purple is the standard APWA colour code for marking reclaimed water or irrigation lines, distinguishing them from potable water (blue) or storm sewer (green).
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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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