Mirror Use and Blind Spots - ONLINE CDL SCHOOL

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Mirror Use and Blind Spots

Build confidence with 10 original questions about Mirror Use and Blind Spots. 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

How should you use your mirrors while driving on the road?

Focus on them for several seconds at a time

Check them only at stoplights

Check them quickly and return your attention to the road ahead

Only use them when changing lanes

2 / 10

When should you check and adjust your mirrors before starting a trip with a trailer?

Only when parked on a hill

After you begin driving

When the trailer is straight

Whenever you stop for fuel

3 / 10

When making a lane change, when should you check your mirrors?

Only before you move

Before, after signaling, during, and after the lane change

Only after you have completed the lane change

Only after you signal

4 / 10

During which driving situations should you check your mirrors more often than usual?

Only at night

Lane changes, turns, merges, and tight maneuvers

When driving straight on a highway

Only when parking

5 / 10

What is a limitation of convex (curved) mirrors?

Objects appear smaller and farther away than they actually are

They increase blind spots

They make objects appear larger

They only work at night

6 / 10

Why is it important to use a helper when backing your vehicle?

It is required by law

There are blind spots you cannot see

It makes the process faster

It is only necessary at night

7 / 10

How can you use your mirrors to check for tire fires or cargo problems?

By regularly glancing at your tires and cargo during the trip

By listening for unusual noises

By only checking before the trip

By relying on warning lights

8 / 10

What should you do if you notice your trailer is drifting while backing up?

Stop and wait for the trailer to straighten itself

Continue backing and correct later

Accelerate to fix the drift

Correct it immediately by steering in the direction of the drift

9 / 10

Why is it important to see a part of your vehicle in each mirror?

It helps you see further behind you

It makes the vehicle look larger

It reduces glare from headlights

It provides a reference point for judging other images

10 / 10

Why should you avoid focusing on your mirrors for too long while driving?

You may travel a long distance without knowing what is ahead

It improves your reaction time

It reduces glare from headlights

It helps you avoid being distracted by passengers

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