Try a Practice LORRY Theory Test Question (38 of 104)
Q: You're driving a tractor unit fitted with two air lines. You want to couple to a trailer that has three air-line couplings. How should the air lines be connected?
A:
The trailer auxiliary line should be left unconnected
A:
The trailer service line should be left unconnected
A:
Only the service line should be connected
A:
Only the auxiliary line should be connected
|<< Start
<< Previous Q
Next Q >>
Learn your theory >>
If you're looking for an earlier driving test we can help:
www.driving-test-cancellations-4all.co.uk