Practice question

If total service brake failure occurs on a flat highway section, what is the correct sequence to stop a heavy commercial vehicle safely?

  1. Activate hazard lights, sequentially downshift through gears (抢挡) to bleed momentum, gradually apply the spring parking brake once speed is low, and guide the truck onto the shoulder
  2. Pull the spring parking brake to maximum lockup at 90 km/h immediately
  3. Shift into neutral and wait for wind resistance to stop the vehicle over 5 kilometers
  4. Swerve violently back and forth across all highway lanes to scrub speed

Answer: A — Activate hazard lights, sequentially downshift through gears (抢挡) to bleed momentum, gradually apply the spring parking brake once speed is low, and guide the truck onto the shoulder

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: China Truck Subject 4 Practice Questions - China Commercial Vehicle Driving Test Subject 4 Safe and Civilized Driving (大型客货车科目四安全文明驾驶常识) Exam →