If your truck has a dual air system and one system is low on pressure:

Either the front or rear brakes will not be fully operational.. Section 5.2: Dual systems separate front and rear brakes (usually). If one

If your truck has a dual air system and one system is low on pressure:

ANSWER BREAKDOWN
  • A. Incorrect. "The brakes will not work at all." is not correct. Dual systems separate front and rear brakes (usually). If one fails, you lose braking on those axles.
  • B. Correct. Dual systems separate front and rear brakes (usually). If one fails, you lose braking on those axles.
  • C. Incorrect. "The truck will pull to the left." is not correct. Dual systems separate front and rear brakes (usually). If one fails, you lose braking on those axles.
  • D. Incorrect. "You can drive safely." is not correct. Dual systems separate front and rear brakes (usually). If one fails, you lose braking on those axles.