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EXAM REVIEW
NCCCO Examination
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Ihuman Case Study
LETRS
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2026 Iowa DMV Air Brakes Class A Test 1
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Question Number 5
5. When leaving a vehicle unattended, a driver should:'
Always set the parking brake.
Only set the parking brake if the vehicle is parked on a slope.
Deflate the tires by 10 percent.
✔ Correct Answer:
Always set the parking brake.
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