Vermont CDL Permit Test - Double

Texting while driving is a dangerous distraction and is prohibited at all times when operating a CMV.

Fully-loaded rigs are more vulnerable to rolling over than empty rigs because the weight of the cargo gives the vehicles higher centers of gravity.

Making a sudden lane change can be dangerous while driving a combination vehicle. You can avoid the need to make a sudden lange change by looking down the road for upcoming obstacles that will require you to change lanes.

When accelerating, speed up smoothly and gradually so the vehicle does not jerk. Rough acceleration can cause mechanical damage.

Trailers built before 1975 are not required to have spring brakes. When parking a trailer without spring brakes, be sure to use wheel chocks to prevent the trailer from rolling.

All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.

When inspecting the fifth wheel before a trip, you should ensure that the release arm is properly seated and the safety latch or lock is engaged. All components should be present and in proper working condition.