NH CDL Combination Practice Test (2024)

1. Which of the following is NOT a warning sign of fatigue?

Trouble remembering the last few miles driven
Frequent blinking
Heavy eyelids
Driving at the speed of the traffic

2. If you get stuck on the railroad tracks, the first thing you should do is:

scream for help.
try to move your vehicle until you see the train.
immediately get out of the cab and move away from the tracks.
stay in your vehicle and call 911.

3. The person watching the loading or unloading of a cargo tank must be within _______ of the tank.

4. The trailer hand valve should be used only:

only in combination with the foot brake.
when the trailer is fully loaded.
in driving to prevent skids.
to test the trailer brakes.

5. To prevent rollover, you should:

keep the cargo as close to the ground as possible.
drive slowly around on ramps and off ramps.
go slowly around turns.
All of the above.

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

7. During a trip:

you should not watch gauges as they can be misleading.
you should watch gauges for signs of trouble.
you should watch gauges to make sure that valve caps are not missing.
None of the above.

8. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:

reduce the chance of the front wheels skidding.
hold compressed air.
prevent movement of cargo.
keep from rolling back.

9. Dollies with ABS are required to have a malfunction lamp:

10. Which of the following is NOT a way to determine if your trailer is equipped with ABS (antilock braking system)?

The letters "ABS" are printed on the side of the steering wheel.
It was built after March 1, 1998.
It has yellow ABS malfunction lamps.
Wheel speed sensor wires are coming from the back of the brakes.

CDL COMBINATION PRACTICE TEST (NH)