at what low pressure do the spring brakes apply on a truck?
can an articulated vehicle jack-nife if the driver accelerates harshly whilst turning on wet or slippery surface?
Can the brake force of a retarder cause a lightly loaded vehicle to skid or jack-nife on a wet or slippery road?
What is progressive
1) 60 psi
2) Yes
3) Yes, but rarely
4) Same as split-shifting
5) 5 minutes
6) No
7) The air pollution is lower in the evening, and filling in the evening
does little harm to the atmosphere.
8)