38. If the service line comes apart while you are driving a combination vehicle but the emergency line stays together, what will happen right away?

Combination Vehiclesmedium

AThe trailer's tank will exhaust through the open line.

BThe emergency trailer brakes will come on.

CNothing is likely to happen until you try to apply the brakes.

Detailed Explanation

The correct answer is "Nothing is likely to happen until you try to apply the brakes.". This is based on federal CDL regulations and safety standards.

Correct Answer: Nothing is likely to happen until you try to apply the brakes.

Ready to practice for real?

Take our free, full-length Combination Vehicles practice test. Simulates the actual DMV exam with timed questions.

Start Practice Test

38. If the service line comes apart while you are driving a combination vehicle but the emergency line stays together, what will happen right away?

Detailed Explanation

Ready to practice for real?

Related Questions

61. To unlock the fifth wheel, pull the release handle to the ________________ position.

To prevent a rollover, a driver should:

An air supply control in its 'emergency' position will:

To help prevent rollovers, you should:

Using the trailer hand valve while driving: