ELDT ELDT - Entry Level Driver Training Shifting and Vehicle Control Questions and Answers 2

Question 1

What is engine braking and when should it be used?

Accepted Answer

Using a lower gear to use engine compression as a retarding force

Answer

Using the service brakes to slow the engine

Answer

Cutting fuel to the engine at highway speed

Answer

Applying the exhaust brake at stop signs only

Question 2

What is the purpose of a Jake Brake (engine retarder)?

Accepted Answer

To convert the engine into an air compressor to slow the vehicle

Answer

To boost engine power on steep climbs

Answer

To lock the rear axles during braking

Answer

To control trailer sway

Question 3

When backing a tractor-trailer, which direction does the trailer go when the driver turns the steering wheel to the left?

Accepted Answer

The trailer moves right

Answer

The trailer moves left

Answer

The trailer moves straight back

Answer

The trailer pivots away from the cab

Question 4

What is the correct procedure for making a right turn with a long combination vehicle?

Accepted Answer

Use the button hook method from the right lane

Answer

Turn sharply from the far right lane

Answer

Swing wide to the left first to allow the rear axles to clear the curb

Answer

Slow to 5 mph and make the turn normally

Question 5

What is 'off-tracking' in a tractor-trailer?

Accepted Answer

The tendency of rear axles to follow a tighter path than the front axles in a turn

Answer

When the trailer drifts out of its lane on a highway

Answer

When the kingpin disengages during a sharp turn

Answer

The lateral sway of the trailer at highway speed

Question 6

What should a CMV driver do if the vehicle begins to hydroplane?

Accepted Answer

Ease off the accelerator and avoid sudden steering corrections

Answer

Apply full brakes immediately

Answer

Accelerate to push through the water

Answer

Engage the Jake Brake