ME CDL Combination Practice Test (2024)

1. Antifreeze:

helps the engine under hot conditions as well as cold conditions.
helps the engine only when the temperature is below freezing.
helps the engine only under hot conditions.

2. What is countersteering?

Locking your wheels while turning in an emergency situation.
Turning the steering wheel quickly the other way after steering in an emergency situation.
Staying off the brake while steering to the right to avoid an accident.

3. When driving on slippery surfaces, you should:

make turns as quickly as possible.
change lanes often.
not pass slower vehicles unless necessary.

4. For a cargo fire in a box trailer, you should:

wait 10 minutes before opening the doors.
keep the doors shut.
open the doors immediately and use the fire extinguisher.

5. When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.

6. If you discover a fire, before opening trailer doors you should:

use the fire extinguisher on the doors.
feel the doors to see if they are hot.
have a helper open the doors.

7. To secure the tractor you should:

Put on the parking brake and put the transmission in neutral.
Check that the kingpin and the fifth-wheel are aligned.
All of the above.

8. When parking, you should choose a spot:

that requires backing up.
that allows you do a walk around inspection.
that allows you to pull forward when you leave.

9. Which of the following makes a rollover more likely?

Keeping the load centered on your rig
Driving quickly around turns
Keeping the cargo as close to the ground as possible

10. You are driving a combination vehicle and must use your brakes to avoid a crash. You should:

brake lightly and hold the steering wheel firmly.
use stab braking or controlled braking.
push the brake pedal as hard as you can and hold it there.

CDL COMBINATION PRACTICE TEST (ME)