Heavy Equipment Operator Certification Exam Prep · Question
What is the primary risk of continuously 'riding' the service brakes on a long downhill grade with an articulated hauler?
Constant application of service brakes on grades causes excessive heat, leading to brake fade and glazing, which reduces braking effectiveness and can result in
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Question: What is the primary risk of continuously 'riding' the service brakes on a long downhill grade with an articulated hauler?
Answer options:
- Increased fuel consumption. ✅ Glazing and fading of brake lining materials, leading to loss of braking effectiveness.
- Premature wear of the steering components.
- Damage to the transmission due to constant engine braking.
Correct answer: Glazing and fading of brake lining materials, leading to loss of braking effectiveness.
Explanation: Constant application of service brakes on grades causes excessive heat, leading to brake fade and glazing, which reduces braking effectiveness and can result in total brake failure, a critical safety concern (CCOHS).
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