Class 1 Commercial Driver Practice · Question
Scenario 54: A 'major' defect listed on NSC Standard 13 means the driver must:
A major defect requires the vehicle to be removed from service until repaired. The correct answer is "Stop driving and have it repaired before continuing". This
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Question: Scenario 54: A 'major' defect listed on NSC Standard 13 means the driver must:
Answer options:
- Continue to the next service point ✅ Stop driving and have it repaired before continuing
- Note it and check again tomorrow
- Reduce speed by 20 km/h
Correct answer: Stop driving and have it repaired before continuing
Explanation: A major defect requires the vehicle to be removed from service until repaired. The correct answer is "Stop driving and have it repaired before continuing". This capacity-fill scenario 54 reinforces the same competency for the class1 bank and follows the certified explanation standard.
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Question explanations
- Approaching a sign that reads 'Runaway Lane / Emergency Escape Ramp Ahead', what is the immediate significance
- A rectangular sign with a truck symbol and an upward-pointing arrow, followed by 'Steep Grade', combined with
- What is the correct interpretation of a 'Oversize Load' sign displayed on a pilot vehicle in front of a flatbe
- A commercial vehicle displaying a red flag at the rear of its load indicates:
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