Q
7. To check the brake slack on S-cam brakes, you should park on:
Air Brakesmedium
APark on level ground, chock the wheels, and release the parking brakes.
BStop on level ground and apply the parking brakes.
CPark on level ground and drain off air pressure before adjusting.
Detailed Explanation
The correct answer is "Park on level ground, chock the wheels, and release the parking brakes.". This is based on federal CDL regulations and safety standards.
Correct Answer: Park on level ground, chock the wheels, and release the parking brakes.
Advertisement
Ready to practice for real?
Take our free, full-length Air Brakes practice test. Simulates the actual DMV exam with timed questions.
Start Practice TestRelated Questions
When you press the brake pedal in a vehicle with S-cam brakes, air pressure pushes out the rod and moves the:
air-brakeseasy
64. If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks?
air-brakesmedium
55. When you put the brakes on by pushing down on the brake pedal:
air-brakesmedium
16. The driver must be able to see a warning before pressure in the service air tanks falls below _ psi.
air-brakesmedium
8. The application pressure gauge shows how much pressure you have:
air-brakesmedium
Advertisement