CDL License General Knowledge Practice Test

This is a CDL practice test for you to check your understanding of concepts related to the safe operation of a truck or other vehicle requiring a CDL license to drive.

Results

You passed this short CDL general knowledge practice test. Good job.

Correct answers:

Under which two special conditions should you downshift?

*Before starting down a hill and before entering a curve

How should you know when to shift?

*Engine speed and road speed

True or False: It is best to use low beams whenever you can.

*False

True or False: As long as the engine isn’t overheated, you can safely remove the radiator cap.

*False

True or False: The proper procedure if a tire blows out is to put the brakes on hard to stop quickly.

*False

Two causes of tire fires are ______.

*under-inflated tires and duals that touch

True or False: When using your fire extinguisher, it is best to get as close as possible to the fire.

*False

True or False: Two ways that will help a drinker sober up are coffee and a little fresh air.

*False

For any flatbed load you must have at least ____ tie downs.

*two

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

*Low beams, high beams, four way flashers, turn signals

What is the reason that placards are used?

*Communicate the risk

If you do become sleepy while driving, you should _____.

*stop to sleep

You downshift automatic transmissions ______.

*before going down a hill

What is the best way to see the sides and rear of your vehicle?

*Your mirrors

In safe driving, what does communicating mean?

*Letting others know you are there by using turn signals, four way flashers, and horn

True or False: If somebody is following you too closely, you should decrease your following distance.

*False

True or False: Another driver may try to pass you on the right if you swing wide to the left before turning right.

*True

If you are drowsy, you should _____ before you drive

*get sleep

Wet brakes can cause _____.

*All of these

To avoid the effects that wet brakes can cause you may _____.

*All of these

When going down a long, steep downgrade, what factors determine your selection of a safe speed?

*Total weight of the vehicle and cargo, length of the grade, steepness of the grade, road conditions, weather

You did not pass the CDL general knowledge practice test. Here’s a link to the CDL manual.

Correct answers:

Under which two special conditions should you downshift?

*Before starting down a hill and before entering a curve

How should you know when to shift?

*Engine speed and road speed

True or False: It is best to use low beams whenever you can.

*False

True or False: As long as the engine isn’t overheated, you can safely remove the radiator cap.

*False

True or False: The proper procedure if a tire blows out is to put the brakes on hard to stop quickly.

*False

Two causes of tire fires are ______.

*under-inflated tires and duals that touch

True or False: When using your fire extinguisher, it is best to get as close as possible to the fire.

*False

True or False: Two ways that will help a drinker sober up are coffee and a little fresh air.

*False

For any flatbed load you must have at least ____ tie downs.

*two

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

*Low beams, high beams, four way flashers, turn signals

What is the reason that placards are used?

*Communicate the risk

If you do become sleepy while driving, you should _____.

*stop to sleep

You downshift automatic transmissions ______.

*before going down a hill

What is the best way to see the sides and rear of your vehicle?

*Your mirrors

In safe driving, what does communicating mean?

*Letting others know you are there by using turn signals, four way flashers, and horn

True or False: If somebody is following you too closely, you should decrease your following distance.

*False

True or False: Another driver may try to pass you on the right if you swing wide to the left before turning right.

*True

If you are drowsy, you should _____ before you drive

*get sleep

Wet brakes can cause _____.

*All of these

To avoid the effects that wet brakes can cause you may _____.

*All of these

When going down a long, steep downgrade, what factors determine your selection of a safe speed?

*Total weight of the vehicle and cargo, length of the grade, steepness of the grade, road conditions, weather

#1 Under which two special conditions should you downshift?

Before starting down a hill and before entering a curve is correct

 

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