2024 WY CDL Practice Test: HazMat - Test 4
Based on
2024 WY CDL Handbook
18. The brake-door interlocks _________.
A
Prevent loss of air pressure.
B
Help you accelerate.
C
Apply the brakes and hold the throttle in idle position when the rear door is open.
D
Releases the brakes when the rear door is open.