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