Heavy Duty Equipment Technician Red Seal Exam Prep · Question
When servicing a large off-road tire on a dump truck, a technician notices significant cracking and weathering on the sidewall, but the tire still holds air. What is the primary safety concern with this tire, even if it's currently inflated?
Significant cracking and weathering on the sidewall indicate a compromised tire structure. Even if it holds air, the weakened sidewall dramatically increases th
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Question: When servicing a large off-road tire on a dump truck, a technician notices significant cracking and weathering on the sidewall, but the tire still holds air. What is the primary safety concern with this tire, even if it's currently inflated?
Answer options: ✅ The integrity of the sidewall is compromised, increasing the risk of sudden catastrophic failure.
- Reduced traction due to the degraded rubber compound.
- Increased rolling resistance, leading to higher fuel consumption.
- Potential for water ingress into the tire casing, causing corrosion.
Correct answer: The integrity of the sidewall is compromised, increasing the risk of sudden catastrophic failure.
Explanation: Significant cracking and weathering on the sidewall indicate a compromised tire structure. Even if it holds air, the weakened sidewall dramatically increases the risk of a sudden and catastrophic blow-out, which is a major safety hazard. While other factors might be present, compromised structural integrity and sudden failure are the primary safety concerns.
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