Compressed air in an air brake system usually has a certain amount of water and oil in it. This can harm the system if allowed to accumulate. Air tanks have drain valves to aid in removing water and oil from the compressed air.

Are helpful to remove water and oil from the air tanks.

Should not be used in cold weather.

Are helpful to remove water and oil from the air tanks.

Are used to move air to the brakes.

In situations where a driver cannot use a parking brake, wheel chocks can be used to hold a parked vehicle in place on a level surface.

Can be used to prevent a parked vehicle from moving.

Make it easier for a parked vehicle to roll.

Should only be used on the front driver's side tire.

It is essential that a vehicle's engine have adequate oil pressure. An engine can be destroyed rapidly if it is run without oil.

An engine can be destroyed quickly.

A vehicle will get better gas mileage.

An engine can be destroyed quickly.

Always use your turn signals and check your mirrors when changing lanes.

You should not use your mirrors.

You should not use your turn signals.

When properly adjusted, your mirrors should each display some part of your vehicle. Being able to see your own vehicle in your mirrors will give you a point of reference when judging the positions of other objects.

Part of your vehicle should be visible in the mirrors.

No part of your vehicle should be visible in any mirror.

Part of your vehicle should be visible in the mirrors.

More than half of each mirror should show the vehicle.

Potential warning signs of fatigue include difficulty focusing, frequent blinking, or heavy eyelids; yawning repeatedly or rubbing your eyes; daydreaming; wandering or disconnected thoughts; trouble remembering the last few miles you've driven; missing exits or traffic signs; having trouble keeping your head up; drifting from your lane; following too closely; hitting a shoulder rumble strip; or feeling restless and irritable.

Difficulty focusing, with frequent blinking

Yawning repeatedly or rubbing eyes

Class B Driving Test | New Mexico 2024 #1 Page 7 of 7

Train for FREE online with our New Mexico class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a NM CDL class B permit in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class B Driving Test | New Mexico 2024 #1 Page 7 of 7

43 . Air tank drains:

44 . The safety belt should:

45 . When coming to a stop, you should apply the brake pedal by:

46 . On flat surfaces, wheel chocks:

47 . Without engine oil:

48 . When changing lanes:

49 . When adjusting your mirrors before a trip:

50 . Which of the following is not a sign of fatigue?

See the exact questions that will be on the 2024 DMV exam.

Wait, before you go