1 . When backing, you should:

Move quickly to get out of the way of other drivers.
Try not to use your mirrors.
Start from any position.
Use a helper, if possible.
Click Here
Full Cheat Sheet

2 . If a vehicle is found to be over-length during a pre-trip inspection, the driver should:

Trim the length of the load.
Ask someone else to drive.
Ensure flags and lights indicating the oversize load are fastened securely.
Drive without making any changes.
Take a FREE Practice Test Now

3 . To best reduce the distractions of a cell phone, you should:

Stay on a single call for an entire trip.
Turn the phone off before driving.
Only us the phone to accept incoming calls.
Use the phone to text rather than talk.
Take a FREE Practice Test Now

4 . The brake pedal is part of which braking system?

The service brake system
The parking brake system
The emergency brake system
The auxiliary brake system
Take a FREE Practice Test Now

5 . What is another name for front-end header boards?

Headache racks
Cargo stoppers
Head braces
Ballasts
Click Here
Full Cheat Sheet

6 . A low air pressure warning signal should activate:

When tank pressure falls below 120 psi.
When tank pressure falls below 55 psi.
When tank pressure falls below 10 psi.
When tank pressure falls below 5 psi.
Take a FREE Practice Test Now

7 . After a tire has been changed, the driver should stop after a short distance to:

Check the tightness of the lug nuts.
Ensure that the tire tread depth is good.
Ensure that the correct tire was changed.
See if rocks have gotten into the tread.
Take a FREE Practice Test Now

8 . Which of the following may result in an applicant being denied a hazardous materials endorsement?

They are not a lawful permanent resident of the United States.
They have had a speeding conviction within the previous three years.
They did not correctly answer every question on the written hazardous materials endorsement test.
They did not pass the written hazardous materials endorsement test on the first attempt.
Take a FREE Practice Test Now

9 . If there are no warning gates or lights at a railroad crossing, you should:

Not worry because the tracks are likely abandoned.
Park your vehicle and walk up to the tracks to determine if a train is approaching.
Look down the tracks in both directions to ensure that no trains are approaching.
Do whatever surrounding vehicles are doing.
Click Here
Full Cheat Sheet

10 . Applicants must be at least ____ to obtain a CDL.

15 years old
18 years old
21 years old
25 years old
Take a FREE Practice Test Now

11 . If a person fails a written test, how long is the waiting period before the test may be taken again?

Three hours
Two days
One week
One month
Take a FREE Practice Test Now

12 . Foundation brakes are used:

Only at the front wheels.
Only at the rear wheels.
Only at the driver’s side wheels.
At each wheel.
Take a FREE Practice Test Now

13 . A driver should always:

Stay in the right lane.
Have an emergency plan.
Stay in the left lane.
Drive faster than the posted speed limit.
Click Here
Full Cheat Sheet

14 . When checking the exhaust system, it should be:

Loose.
Leaking.
Fastened securely.
Cracked.
Take a FREE Practice Test Now

15 . Without engine oil:

The vehicle will get the best possible gas mileage.
The engine can be destroyed quickly.
ABS will not work properly.
The windshield wipers will not operate.
Take a FREE Practice Test Now

16 . Being convicted of an alcohol-related offense in your personal vehicle:

Does not affect your CDL.
Only affects your CDL if you refused to take a breath test.
Results in losing your CDL for one year.
Will require a sticker to be placed on your CDL.
Take a FREE Practice Test Now

17 . When driving, you should stop and take a break ____ to avoid becoming too tired.

Every half hour
Every hour
Every two hours
Every six hours
Click Here
Full Cheat Sheet

18 . If a vehicle is equipped with power steering, the hoses should be checked:

For leaks.
To ensure that they are still clear.
To ensure that they are connected to the battery.
To ensure that they contain the proper amount of play.
Take a FREE Practice Test Now

19 . If an Anti-Lock Braking System (ABS) malfunctions:

The driver will not know.
A yellow lamp will light up on the control panel.
The brakes will lock up.
The brakes will not work.
Take a FREE Practice Test Now

20 . If you experience a loss of hydraulic pressure, you should do all of the following, except:

Downshift.
Pump the brakes.
Accelerate.
Use the parking brake.
Take a FREE Practice Test Now

21 . What is the average driver’s reaction time?

One-sixteenth of a second
One-eighth of a second
Between three-quarters of a second and one second
Two seconds
Click Here
Full Cheat Sheet

22 . If you are being tailgated, you should:

Drive on the shoulder.
Pull off the roadway.
Drive faster.
Allow the vehicle to pass.
Take a FREE Practice Test Now

23 . When it is difficult for others to see your vehicle, such as at dawn or dusk, you can help other drivers by:

Keeping your lights off.
Turning your lights on.
Driving on the shoulder.
Waving an arm out the window.
Take a FREE Practice Test Now

24 . How much water must be present for a vehicle to hydroplane?

Usually several inches
A significant amount, such as a large puddle
A small amount
None
Take a FREE Practice Test Now

25 . During a pre-trip inspection, belts in the engine compartment should be:

Loosened.
Checked for tightness.
Inspected only if they seem frayed.
Left alone and not inspected.
Click Here
Full Cheat Sheet

26 . As part of the vehicle inspection test, a CDL applicant may be asked to:

Check the engine oil level.
Replace a tire.
Remove the alternator belt.
Replace spark plugs.
Take a FREE Practice Test Now
Study tip:

Reduce your study time from hours to minutes with a DMV exam “Cheat Sheet”

99.2% of people who use the cheat sheet pass the FIRST TIME

Click Here
Full Cheat Sheet

27 . When passing another vehicle, you should:

Make eye contact with the other driver.
Assume the other driver doesn’t see you.
Honk your horn.
Wave to other drivers.
Take a FREE Practice Test Now

28 . During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:

10 psi in a minute.
8 psi in a minute.
6 psi in a minute.
4 psi in a minute.
Take a FREE Practice Test Now

29 . During a basic vehicle control skills test, what is considered a look?

Walking to the back of a vehicle to check its position
Using side mirrors to check a vehicle's position
Looking out of the driver's side window to check a vehicle's position
A driver glancing over their shoulder to check blind spots
Click Here
Full Cheat Sheet

30 . While driving downhill, you should brake until you reach a speed that is ____ below your safe speed, then release the brake pedal.

5 mph
10 mph
15 mph
20 mph
Take a FREE Practice Test Now

31 . Which of the following is not an offense that would result in the loss of a CDL for at least one year?

Driving a CMV with a blood alcohol concentration (BAC) of 0.04 percent or higher
Refusing to undergo blood alcohol testing
Leaving the scene of an accident involving a CMV
Operating a CMV for more than 10 hours in a day
Take a FREE Practice Test Now

32 . If carrying a heavy load that is slowing you down, you should:

Drive in the left lane.
Drive in the right lane.
Drive on the shoulder.
Keep the vehicle in second gear.
Take a FREE Practice Test Now

33 . When driving through a work zone, you should:

Slow down.
Speed up.
Use a cell phone.
Steer with one hand to keep the other hand free.
Click Here
Full Cheat Sheet

34 . When checking your tires, which of the following is not an issue to correct?

Too much air pressure
Too little air pressure
Radial and bias-ply tires used together
Tread depth of at least 4/32 of an inch on the front tires
Take a FREE Practice Test Now

35 . Rust around wheel nuts may mean:

It recently rained.
The nuts are loose.
The tires should be replaced.
The nuts are too tight.
Take a FREE Practice Test Now

36 . When driving down a steep grade, your brakes may fade. What happens if brakes fade?

They become quieter.
They become less effective.
They work better than usual.
They work differently from front to back.
Take a FREE Practice Test Now

37 . During a vehicle inspection, ensure that the landing gear is:

Retracted.
Fully raised.
More worn on the passenger's side than on the driver's side.
Well lit.
Click Here
Full Cheat Sheet

38 . Which of the following may result in an applicant being denied a hazardous materials endorsement?

They are considered a security threat by the Transportation Security Administration (TSA).
They are a lawful U.S. citizen.
They work for a foreign company.
They do not have perfect vision.
Take a FREE Practice Test Now

39 . Don't spend too much time looking at a single mirror because:

Conditions can change quickly.
Looking at mirrors can make you drowsy.
It can result in you driving a long distance without looking at the road.
The mirror may not provide an accurate view of the road.
Take a FREE Practice Test Now

40 . When double clutching, if you remain in neutral for too long and can’t get your vehicle into the next gear, you should:

Stop the vehicle and start over.
Return to neutral, release the clutch, increase your speed, and try again.
Skip over your intended gear and move into the next gear.
Just keep the vehicle in neutral.
Take a FREE Practice Test Now

41 . A tank endorsement is:

Only required when transporting gases.
Only required when transporting liquids.
Used when transporting both liquids and gases.
Optional when transporting hazardous materials.
Click Here
Full Cheat Sheet

42 . When driving in fog, you should:

Use the windshield wipers.
Use low beam headlights.
Use high beam headlights.
Use the air conditioning.
Take a FREE Practice Test Now

43 . On a leaf spring, the leaves:

May be broken.
Are not required.
Should not be broken.
Should shift.
Take a FREE Practice Test Now

44 . When a vehicle is started, warning lights and buzzers:

Should stay on for several minutes.
Should turn off within a few seconds.
Should stay on until manually turned off.
Should not come on.
Take a FREE Practice Test Now

45 . If pulled off to the side of the road, you should:

Allow your taillights to alert other motorists.
Turn on your emergency flashers to warn other motorists.
Keep your lights off to avoid distracting other motorists.
Keep your door open to warn other motorists.
Click Here
Full Cheat Sheet

46 . While driving:

A driver does not need to inform others of their intentions.
A driver should only use turn signals if a vehicle is next to them.
A driver should not use a turn signal if their lane change will be obvious.
A driver should always use turn signals to inform others of their intentions.
Take a FREE Practice Test Now

47 . Rough acceleration:

Can damage a vehicle.
Is necessary to warm up parts of the engine.
Is encouraged to improve gas mileage.
Should be done on surfaces with poor traction.
Take a FREE Practice Test Now

48 . When taking the on-road driving skills test, you will be evaluated on your gear usage. You should not:

Avoid grinding or clashing gears.
Select a gear that does not rev the engine.
Forget to shift through an intersection.
Shift while taking a turn.
Take a FREE Practice Test Now

49 . A pre-trip inspection:

Should never be completed the same way two times in a row.
Should always be completed in the same order.
Should only be done if it is sunny outside.
Should not be done if the driver thinks the vehicle is in good operating order.
Click Here
Full Cheat Sheet

50 . If stopped on the road or shoulder, within 10 minutes, you must:

Place emergency warning devices.
Alert local law enforcement.
Stand behind your vehicle and motion for traffic to pass you.
Call a mechanic.
Take a FREE Practice Test Now