Q
18. You have a major leak in the service line and you put on the brakes. Service air pressure will escape and cause the:
Combination Vehiclesmedium
ATrailer tank pressure to be lost.
BTrailer emergency brakes to come on.
CTractor spring brakes to lock on.
Detailed Explanation
The correct answer is "Trailer emergency brakes to come on.". This is based on federal CDL regulations and safety standards.
Correct Answer: Trailer emergency brakes to come on.
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