FREE Maine CDL Combination Test 2024 (Practice Test)

1. If your truck has automatic transmission, you should downshift:

whenever road conditions allow.
after entering a curve.
when going down grades.

2. When inspecting the coupling, check that the safety latch is:

in the "lock" position.
in position over the locking lever.
pushing against the kingpin.

3. If your vehicle is equipped with air brakes, loss of air pressure in the emergency line causes:

the speed of your vehicle to increase.
the trailer emergency brakes to come on.
the trailer spring brakes to come on.

4. It's very important to distribute the cargo so it is:

5. When going down grades, you should:

shift up.
put the transmission in Neutral.
downshift to a lower gear.

6. If loose or missing, _______ may cause movement between the frame and fifth wheel assembly.

7. Before starting down a hill, you should:

slow down and shift to a lower gear.
release the accelerator and shift to Neutral at the same time.
look for an escape route.

8. When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:

9. What is a pull up when referring to truck driving?

A specific maneuver used to decelerate smoothly in the exit lane.
A driving maneuver used to pull your vehicle over to the side of the road and stop.
When a driver stops and pulls forward to get a better position.

10. Emergency brakes must be must be held on by:

ME CDL COMBINATION TEST - PRACTICE TEST