What’s Your Trucking IQ: Night Driving Safety and Defensive Trucking

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Build confidence with 10 original questions about What's Your Trucking IQ: Planning and preparation — Practice 004. Review your answers and explanations after finishing.

Supplemental study practice. This is not a government licensing exam or ELDT certification, and does not replace hands-on training. Follow your state’s current handbook.

1 / 10

You are about to drive down a long, steep downgrade. What is the principal method you should use to control your speed?

Rely on the parking brake

Apply the brakes continuously

Shift to neutral and coast

Use the braking effect of the engine

2 / 10

You are planning a night trip in your commercial vehicle. Which step should you take before starting your drive to ensure safe night operation?

Skip the pre-trip inspection if you drove the vehicle earlier

Wear sunglasses to reduce glare

Clean all lights and reflectors you can reach

Turn on your interior cab lights for better visibility

3 / 10

When preparing for a long trip, which of the following is a recommended planning step to reduce distractions?

Plan to eat meals while driving to save time

Leave unnecessary objects loose in the cab

Engage in complex conversations with passengers to stay alert

Review maps and program the GPS before you begin driving

4 / 10

While driving at night, when should you dim your headlights to avoid blinding other drivers?

Whenever you feel like it

Within 500 feet of an oncoming vehicle or when following another vehicle within 500 feet

Only when you see another vehicle's headlights

When you enter a city

5 / 10

If you are confronted by an aggressive driver on the road, what should you do?

Challenge them by speeding up

Make every attempt to get out of their way

Block their lane to slow them down

Make eye contact and gesture back

6 / 10

During a lane change on the highway, when is it important to check your mirrors?

Only if you hear a horn

Only before you start moving

Only after you have changed lanes

Before, during, and after the lane change

7 / 10

You are driving on a poorly lit road at night. What is the safest way to adjust your speed?

Drive at the posted speed limit regardless of visibility

Speed up to pass through the area quickly

Drive slowly enough to stop within the distance you can see ahead

Rely on other vehicles' lights to guide you

8 / 10

You notice a vehicle ahead drifting over lane divider lines and traveling at inconsistent speeds. What is the safest action?

Honk your horn and try to pass immediately

Tailgate to encourage them to move over

Give the distracted driver plenty of room and maintain your safe following distance

Flash your high beams to alert them

9 / 10

When using convex (curved) mirrors, what should you keep in mind about the images you see?

The mirrors show only the rear of the vehicle

Objects appear farther away than they really are

Objects appear larger than they really are

The mirrors eliminate all blind spots

10 / 10

While driving at night, you notice your headlights are not illuminating the road as well as usual. What is the most likely cause?

Low tire pressure

Overfilled fuel tank

Worn windshield wipers

Dirty headlights

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