More following distance than driving with a single trailer | |
More care when driving in bad weather and on grades | |
All of these are correct | |
More skill than driving with a single trailer |
Open, free | |
Open, latched | |
Closed, latched | |
Closed, free |
Open both shut off valves | |
Open the shut off valve at the rear of the first trailer and close the shut off valve at the rear of the second trailer | |
Close the shut off valve at the rear of the first trailer and open the shut off valve at the rear of the second trailer | |
Close both shut off valves |