1 . If a tire rim is damaged, it should be:

Left on the vehicle.
Welded to repair the damage.
Replaced.
Put on the axle farthest from the driver.

2 . When you need to brake, how can you warn drivers behind you?

Tap on the brakes a couple of times.
Stick your arm out the window.
Swerve within your lane.
Change lanes.

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

Stay in their path.
Make eye contact with the driver.
Make gestures at the driver.
Report the driver.

4 . Which of the following is not a tire problem to check for and avoid?

Radial and bias-ply tires used together
Recapped tires on the front of a school bus
Tread separation
All tires are made by the same company

5 . What is tire load?

The maximum air pressure of a specific tire
The maximum safe weight that a tire can carry at a specified pressure
The minimum safe weight that can be carried by a tire
The average weight of tires on a vehicle

6 . Which of the following indicates drowsy driving?

Eyes going out of focus by themselves
Having trouble keeping your head up
Drifting from lane to lane
All of the above

7 . When testing a parking brake, the vehicle should:

Not be running.
Be placed in a low gear while the driver attempts to pull forward.
Be inspected by a professional mechanic.
Be driven while the parking brake is applied.

8 . When you are driving while drowsy, you should:

Press on and try to finish the trip.
Take drugs to keep awake.
Stop and take a nap.
Stop for a coffee break.

9 . When preparing to drive in the winter, be sure to check:

The coolant level.
The defrosting and heating equipment.
The windshield wipers.
All of the above.

10 . When steering to avoid a crash, you should:

Only use one hand to steer.
Keep both hands on the steering wheel.
Not use your mirrors to check other lanes.
Speed up as you get nearer to the hazard.

11 . If something is found to be unsafe during a pre-trip inspection, you should:

Continue with the trip and make an appointment with a mechanic after the trip is completed.
Let a more experienced driver use the truck.
Get the issue fixed immediately.
Not use the items found to be unsafe, but may continue driving normally.

12 . If you are under the age of 21 with a Class B CDL, you can:

Drive a CMV for interstate commerce.
Transport hazardous materials.
Transport students on a school bus.
Drive a CMV for intrastate commerce.

13 . A high center of gravity:

Makes a vehicle more susceptible to rollover.
Is encouraged in inclement weather.
Is required on some roads.
Improves fuel efficiency.

14 . If a tire fails, you should:

Loosen your grip on the steering wheel.
Immediately apply the brakes.
Check your tires after coming to a complete stop.
Turn sharply off the road.

15 . What is Gross Vehicle Weight (GVW)?

The total weight of a vehicle and its load
The total weight of a vehicle's tractor
The total weight of a loaded trailer
The weight of a tractor and trailer, before adding in the load

16 . What is sleep debt?

When you fall behind on sleep
When you want to take a nap
Excess sleep
The amount of time it takes to get ready to drive after sleeping

17 . When turning quickly to avoid an object in the roadway, you should:

Apply your brakes as you steer.
Give yourself extra clearance by turning more than needed to miss the object.
Turn just enough to miss the object and avoid turning more.
Steer and accelerate at the same time.

18 . When traveling down a steep downgrade, the best way to use your brakes is to:

Ride the brakes all the way down the hill.
Apply the brakes for a few seconds, then release the brakes for a few seconds. Continue to repeat these steps as you travel down the hill.
Apply the brakes only near the bottom of the downgrade.
Apply consistent pressure to the brake pedal all the way down the hill.

19 . A person applying for a CDL must be able to:

Understand highway signs in Spanish.
Understand highway signs in English.
Write reports in Spanish.
Speak with other people in English, as well as a second language.

20 . When checking the engine compartment:

The parking brake should not be engaged.
Wheels should be chocked.
The engine should be running.
The gearshift should be in first gear.

21 . Fuel records supporting IFTA quarterly fuel use tax returns must be kept by carriers for:

One year.
Two years.
Three years.
Four years.

22 . If a vehicle has a vehicle inspection report, the driver:

Should not look at the report and instead try to find any issues themselves.
Should take the vehicle to a mechanic.
Should review the report.
Should not conduct a pre-trip inspection and rely only on the report.

23 . When inspecting the exhaust system for defects, which of the following should be fixed?

Missing mounting brackets or clamps
A broken exhaust pipe, muffler, or tailpipe
Leaking exhaust system parts
All of the above

24 . 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.

25 . Which of the following offenses in a personal vehicle will not result in CDL disqualification?

Leaving the scene of an accident
A violation involving alcohol
A felony involving a motor vehicle
A parking violation

26 . 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.
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27 . Most drivers are the least alert:

In the morning.
In cold weather.
At night.
After work.

28 . Driving too fast:

Is a major cause of fatal crashes.
Can be a good way to get to your destination quickly.
Should only be done if the roadway is dry.
Is acceptable in light traffic.

29 . Hydraulic brakes can fail due to:

A loss of pressure.
Cold weather.
Driving uphill for long periods of time.
Grooves in the roadway.

30 . Regarding winter driving, all of the following are true, except:

Front tires should have a tread depth of at least 4/32 an inch.
Tires should be slightly deflated.
Rear tires should have a tread depth of at least 2/32 an inch.
Use a gauge to verify that each tire has a safe tread depth.

31 . How much sleep does the average person need for every 24-hour period?

One to two hours
Three to four hours
Seven to eight hours
Nine to ten hours

32 . 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.

33 . One way to overcome the challenges of blind spots is to:

Drive faster than surrounding vehicles so no other drivers can pass you.
Drive in the left lane, allowing you to only worry about vehicles to your right.
Make frequent mirror checks and assess the positions of surrounding vehicles.
Avoid using your mirrors.

34 . When traveling with cargo, you must make sure the cargo is secure:

No more than two times.
Every 150 miles or three hours of driving.
Only after traveling up a hill.
Only after coming to a hard stop.

35 . If driving a vehicle with a manual transmission, you can prevent your vehicle from rolling backward when starting from a stop by:

Partly engaging the clutch before removing your foot from the brake pedal.
Placing the vehicle in reverse before moving forward.
Fully engaging the clutch before removing your foot from the brake pedal.
Placing the vehicle in neutral before moving forward.

36 . An Anti-Lock Braking System (ABS) will:

Allow you to drive faster than you would be able to otherwise.
Allow you to follow other vehicles more closely than you would be able to otherwise.
Allow you to drive less carefully than you would be able to otherwise.
Not decrease your stopping distance.

37 . If coolant has to be added to a system without a recovery tank, you should:

Keep the vehicle running while adding coolant.
Open the radiator cap quickly.
Not use gloves to touch the radiator cap.
Wait for the engine to cool before adding coolant.

38 . What is the number one cause of death and injury in work zones?

Speeding drivers
Careless behavior by construction workers
Drivers driving too slowly
Equipment placed in the roadway

39 . What can change the height of a vehicle?

Color
Length
Weight
Number of windows

40 . If a traffic light has been green for a long time:

It will probably stay green as you approach.
It is likely broken.
It is likely that the light will soon change to yellow.
It is likely the light will skip yellow and change from green to red.

41 . What is the maximum fine for driving a CMV without a CDL?

$25
$50
$150
$300

42 . When using your mirrors, you should frequently look at your tires to:

Watch for tire fires.
See if the tires are rolling properly.
See if the tread is sufficient.
Get a sense of the size of the tire in relation to other vehicles.

43 . 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.

44 . When checking your vehicle's lights before driving:

The vehicle should be running and in gear.
The engine should be turned off.
The check can be done from inside the vehicle.
The check can be done by looking at a reflection from a shiny surface.

45 . Overloading cargo can have negative effects on all of the following, except:

Steering.
Braking.
Speed control.
The electrical system.

46 . Why should your mirrors be adjusted to show the road behind you as well as part of your vehicle?

Having only the road in the mirrors would likely make the driver carsick.
Having part of the truck in the mirrors serves as a point of reference.
It is illegal to have only the road in the mirrors.
The driver should be able to see the reflection of surrounding vehicles on the trailer.

47 . When encountering fog, you will be safest if you:

Stay in the left lane.
Don’t drive in the fog.
Use your low beam lights.
Follow the vehicle ahead of you closely.

48 . If an aggressive driver confronts you, you should not:

Challenge them.
Ignore their gestures.
Avoid making eye contact.
Try to get out of their way.

49 . When other vehicles have trouble seeing you at dawn or dusk, you can increase your visibility by:

Turning on your four-way flashers.
Honking your horn.
Turning on your headlights.
Turning on your windshield wipers.

50 . When driving, the steering wheel should be:

Held with one hand.
Held with both hands on opposite sides of the wheel.
Held with both hands at the bottom of the wheel.
Held with both hands at the top of the wheel.