What does a Modulating Control Valve Do?
A. Controls the service brake.
B. Controls the ABS system.
C. Controls the spring brakes if the service brakes fail.
Answer: C. Controls the spring brakes if the service brakes fail.
A. Controls the service brake.
B. Controls the ABS system.
C. Controls the spring brakes if the service brakes fail.
Answer: C. Controls the spring brakes if the service brakes fail.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.