Double / Triple Test Main menu
1. 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.
2. 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.
3. Which of these statements about emergency steering true?
If you have traffic on both sides of your vehicle and something is blocking your lane, a move to the right still be best.
4. The converter dolly air tank drain valve on coupled double/triple trailers should be:
Open.
5. To check if the converter dolly is securely coupled to the rear trailer you should:
Pull gently against the pin of the second trailer.
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