Heavy Equipment Operator Certification Exam Prep · Question
You are performing a pre-shift inspection on a wheel loader. Which of the following conditions in a tire would be considered an immediate safety concern, requiring the machine to be taken out of service?
A deep laceration exposing the tire cord compromises the structural integrity of the tire, creating a significant risk of sudden tire failure, which is a critic
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Question: You are performing a pre-shift inspection on a wheel loader. Which of the following conditions in a tire would be considered an immediate safety concern, requiring the machine to be taken out of service?
Answer options:
- Tread wear indicators visible on one tire. ✅ A 50 mm deep laceration in the sidewall, exposing cord.
- Air pressure slightly below the manufacturer's recommended cold inflation pressure.
- Minor dry rot cracks in the rubber sidewall, not extending to the cord.
Correct answer: A 50 mm deep laceration in the sidewall, exposing cord.
Explanation: A deep laceration exposing the tire cord compromises the structural integrity of the tire, creating a significant risk of sudden tire failure, which is a critical safety issue. Other options represent less immediate or severe concerns. (OHSA Reg. 851, Industrial Establishments)
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