ELDT Backing and Docking

Question 1

When backing a tractor-trailer, which mirrors should you use primarily to guide the trailer?

Accepted Answer

Both side mirrors alternately

Answer

You should use both side mirrors alternately to track the trailer's path and detect any drift to either side while backing.

Question 2

What does the acronym G.O.A.L. stand for in commercial vehicle backing?

Accepted Answer

Get Out And Look

Answer

G.O.A.L. stands for 'Get Out And Look,' reminding drivers to physically exit the cab and inspect the area before and during backing.

Question 3

When is it best to position your vehicle for a dock backing maneuver?

Accepted Answer

At a 45-degree angle to the dock with adequate pull-up room

Answer

Starting at approximately a 45-degree angle to the dock with adequate pull-up room gives the driver the best control over trailer placement.

Question 4

When the steering wheel is turned LEFT while backing a tractor-trailer, which way does the rear of the trailer move?

Accepted Answer

Right

Answer

Turning the steering wheel left while backing causes the tractor to go left, which pushes the rear of the trailer to the right.

Question 5

How often should you apply G.O.A.L. during a backing maneuver?

Accepted Answer

As many times as necessary throughout the maneuver

Answer

Drivers should get out and look as many times as necessary throughout the backing maneuver to ensure the path remains clear.

Entry Level Driver Training (ELDT) Practice Test