Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. However, using a retarder may cause wheels to skid when they have poor traction. Turn off retarders when traveling under wet, snowy, or icy conditions.

When you are carrying a heavy load

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.

When making a left turn, you should wait until you reach the center of the intersection before actually beginning to turn. Due to off-tracking, the left side of your vehicle could hit another driver if you begin turning too early.

No sooner than the center of the intersection.

Before reaching the center of the intersection.

No sooner than the center of the intersection.

After your rear wheels have passed the center of the intersection.

If confronted by an aggressive driver, don't let yourself be provoked by their actions or angry gestures. Do not risk provoking the other driver by making eye contact. Get out of their way if you can do so safely.

Keep your vehicle in front of them.

When doing a pre-trip inspection on a vehicle with power steering, be sure to check the hoses, pumps, and fluid level. In particular, you should check the hoses for leaks.

Secure connections to the battery.

Extra hose pieces available for repairs.

Some older vehicles have front brake limiting valves with "normal" and "slippery" settings. Setting a brake limiting valve to "slippery" reduces the vehicle's stopping power, so a driver should make sure the valve is in its "normal" position. Front wheel braking has proven to be effective in all driving conditions.

Set the control to the off position.

Set the control to the neutral position.

Class B Driving Test | New Mexico 2025 #2 Page 2 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 2025, 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 2025 #2 Page 2 of 7

8 . For safety purposes, when should you turn off a retarder?

9 . Without engine oil:

10 . When making a left turn, you should start the turn:

11 . If confronted by an aggressive driver, you should:

12 . When checking power steering hoses during a pre-trip inspection, you should look for:

13 . To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:

14 . When applying for a hazardous materials endorsement, being found guilty of which of the following is a disqualifying offense?

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