On tank trailers, if your drive or trailer wheels begin to skid, your vehicle may:

Question

Accepted Answer

A: Jackknife.. When the rear drive wheels of a truck start to slide from excessive braking, the weight of the trailer(s) can begin to slide. The trailer(s) will begin to pivot around the couplings as the trailer(s) attempts to pass the slowed drive wheels resulting in a jackknife.

On tank trailers, if your drive or trailer wheels begin to skid, your vehicle may:

New Mexico CDL Tanker Test Info