Excavator Operator Certification Exam Prep · Question
When lowering a large diameter concrete pipe into a trench using an excavator, what is the most critical consideration for the operator to ensure safe and proper placement?
Using appropriate lifting slings, correctly attached, and maintaining precise control over the excavator's hoist and swing functions (smooth, controlled movemen
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Question: When lowering a large diameter concrete pipe into a trench using an excavator, what is the most critical consideration for the operator to ensure safe and proper placement?
Answer options:
- Ensuring the pipe is perfectly centred in the bucket for balance. ✅ Using proper lifting slings and maintaining control of the swing and hoist functions.
- Applying maximum engine RPM to ensure quick placement.
- Having another worker guide the pipe by hand while it's suspended.
Correct answer: Using proper lifting slings and maintaining control of the swing and hoist functions.
Explanation: Using appropriate lifting slings, correctly attached, and maintaining precise control over the excavator's hoist and swing functions (smooth, controlled movements) are paramount for safe and accurate pipe placement, preventing injury and damage. CSA Z248 emphasizes controlled movements of loads.
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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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