Double Triple

1 points

With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the trailer. When you do this, you should hear:

Air escape from the open valve.
The service brakes slowly move to the fully applied position.
The emergency line valve open and release air

1 points

You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:

Use controlled or stab braking.
Use light, steady pressure on the brake pedal.
Use only the trailer brakes.

1 points

Which of these statements about emergency steering is true?

You can steer more quickly and safely if you hold the wheel with one hand.
You can almost always stop more quickly then you can turn.
If you have traffic on both sides of your vehicle and something is blocking your lane, a move to the right still be best.

1 points

The converter dolly air tank drain valve on coupled double/triple trailers should be:

Open
Closed
Partially open

1 points

To check if the converter dolly is securely coupled to the rear trailer you should:

Release spring brakes and check the movement.
Pull gently against the pin of the second trailer.
Backup slightly and make the visual check of the coupling.

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