North Dakota CDL DMV Endorsement Tank 2

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1. If something is found to be unsafe during a pre-trip inspection, you should:

Continue with the trip and make an appointment with a mechanic after the trip is completed.

Let a more experienced driver use the truck.

Get the issue fixed immediately.

Not use the items found to be unsafe, but may continue driving normally.

If a pre-trip inspection reveals anything unsafe about your vehicle, you must get it repaired. It is illegal to operate an unsafe vehicle.

2. Hydroplaning usually occurs:

When tires are properly inflated.

At speeds under 15 mph.

In areas where water collects on the road.

During the evening.

In places where water collects on the road, it is possible for a vehicle to hydroplane. Low tire pressure or worn tire tread makes this more likely to happen. If there is enough water on a road surface, hydroplaning can occur at speeds as low as 30 mph.

3. A fatigued driver:

Is extra alert.

Should take over-the-counter remedies to wake them up.

May make critical decisions too slowly.

Is usually more conscientious than a typical driver.

If you are fatigued, you will not see or react to hazards as quickly as you would if you were fully energized and awake. You will be impaired in making critical decisions.

4. When checking the exhaust system, it should be:

Loose.

Leaking.

Fastened securely.

Cracked.

When checking the exhaust system, you should verify that no parts of the system are loose, broken, or missing.

5. When approaching an active railroad crossing:

You should expect to hear any approaching train.

You may not hear a train as it approaches.

You will hear two short blasts of the train's horn.

There will always be flashing warning lights.

At a railroad crossing, do not assume that you will hear an approaching train. Trains may be prohibited from sounding their horns in certain areas, or the sound of its horn may be covered by noise from your vehicle. Do not assume that warning lights or other signals will announce a train.

6. When a driver is not in their vehicle, hazardous materials' shipping papers should be:

Kept on the driver's person.

Kept on the driver’s seat.

Kept under the passenger’s seat.

Placed on the dashboard.

Shipping papers for hazardous materials should always be easily accessible. When a driver is not in their vehicle, hazardous materials' shipping papers should be left on the driver's seat.

7. What happens if brakes become too hot?

They will become too smooth.

They will harden.

They may stop working.

The air compressor will kick in to cool the brakes

If brakes are overused, they may overheat and stop working. This is referred to as brake fade.

8. To confirm that a trailer has ABS, you can:

Look under the trailer for wheel speed sensors coming from the back of the brakes.

Look under the hood for the ABS sticker.

Look at the tires.

Remove a tire and look for the ABS sensor on the axle.

If you are unsure if a trailer is equipped with an Anti-Lock Braking System (ABS), look under the vehicle for the electronic control unit and wheel speed sensor wires coming from the back of the brakes.

9. Column 2 of the Hazardous Materials Table contains:

The names of the materials.

Where the materials originated.

Special provisions for the materials.

The costs of the materials.

Column 2 of the Hazardous Materials Table lists the proper shipping names and descriptions of regulated materials.

10. How much water needs to be on the surface of a road for a vehicle to hydroplane?

Usually several inches

A good amount, such as a large puddle

A small amount

None

Hydroplaning is an effect in which a vehicle's tires lose traction with the surface of the road and instead glide along a layer of water. There does not have to be much water on the road for this to occur.

11. A header board is used to:

Allow a driver to see behind them.

Protect the driver from moving cargo.

Provide extra storage capacity.

Prevent the driver from leaving the tractor.

Front-end header boards, also known as "headache racks," protect drivers from moving cargo in the event of a crash or emergency stop.

12. If the brake pads rub against the brake drums and create too much heat:

The brakes will stick.

The brakes will become extra sensitive.

The brakes may stop working.

The air compressor will kick on to cool the brakes.

Brakes heat up with use. If they are overused and become too hot, expansion and chemical changes will make them less effective and eventually cause them to stop working altogether. This is known as "brake fade."

13. When stopping a manual transmission vehicle, what should you do when the engine is close to idle?

Push in the clutch.

Push out the clutch.

Shift into neutral.

Shut off the vehicle.

When stopping a vehicle with a manual transmission, you should push in the clutch when the engine is close to idle.

14. When other vehicles have trouble seeing you at dawn or dusk, you can increase your visibility by:

Turning on your four-way flashers.

Honking your horn.

Turning on your headlights.

Turning on your windshield wipers.

At dawn or dusk, and in snowy or rainy conditions, you should turn on your headlights to make it easier for other road users to see your vehicle.

15. Containers of hazardous materials must be:

Packed in brown-colored containers.

Braced to prevent movement during transportation.

Made of cardboard.

Made of wood.

Brace containers so they will not fall, slide, or bounce around during transportation. All hazardous materials packages must be secured.

16. How can a person check for a leak in hydraulic brakes?

Pump the brake pedal three times and hold the pedal for five seconds. If the pedal moves, there may be a problem.

Push the brake pedal down as far as possible and let go. If the brake pedal returns to its normal position, there may be a problem.

Push the brake pedal down as far as possible and let go. If the brake makes a squeak, there may be a problem.

Remove the rear wheel and listen for a noise when the brake pedal is depressed.

Check hydraulic brakes by pumping the brake pedal three times before applying firm pressure to the pedal for five seconds. The pedal should not move. If it does, there may be a leak or some other problem in the braking system.

17. The air storage tanks:

Hold only enough air for one braking cycle.

Hold enough air for brakes to be used several times if the compressor stops working.

Do not hold air unless there is an emergency.

Hold enough air for more than 1,000 braking cycles.

In an air brake system, the air storage tanks hold enough air for brakes to be used several times if the compressor stops working.

18. When pulled off on the side of the road, a driver should:

Keep the driver’s side door open.

Turn on their emergency flashers.

Wave their arms.

Turn off all lights.

If you must stop on the side of the road, it is important that you turn on your emergency flashers as a warning to other drivers. This is especially important if you are stopped at night.

19. A skid caused by acceleration can likely be solved by:

Removing your foot from the accelerator.

Braking.

Swerving to the right.

Swerving to the left.

Skids caused by acceleration frequently occur on slippery road surfaces. These skids can generally be resolved by the driver removing their foot from the accelerator.

20. On a wet road, you should reduce your speed:

By about one-half.

By about one-third.

By about one-quarter.

By about one-eighth.

You should reduce your speed by about one-third when driving on a wet road. It can be difficult to stop or turn when operating on a slippery surface, so you must adjust your speed to drive safely under such conditions.

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