1 . When driving at night, you should do all of the following, except:

Make sure you are rested.
Make sure your glasses are clean.
Wear sunglasses.

2 . Which of the following is not a sign of tire failure?

A loud sound
Vibration
Smoother steering

3 . When driving, it is important that you:

Develop plans to get out of potentially dangerous situations.
Enjoy the scenery.
Turn your head all the way around rather than use mirrors.

4 . A person driving with an open window in cold weather may be:

A distracted driver.
A person who is dressed inappropriately.
A person who likes fresh air.

5 . Containerized loads are used:

When the cargo is too large to fit on a truck.
When the cargo has been or will be transported by a train.
When the cargo is a liquid.

6 . When passing a row of parked vehicles, a driver should:

Stay close to the vehicles.
Watch for signs of a person exiting a vehicle.
Flash their headlights.

7 . How long must an applicant hold a CLP before they may take the required skills tests?

At least one day
At least seven days
At least 14 days

8 . Friction in an S-cam brake is caused when the brake shoes and linings:

Press against the outside of the brake drum.
Press against the inside of the brake drum.
Push against each other.

9 . You may:

Have more than one license if one is for business purposes.
Have more than one license if they are issued by different states.
Not have more than one license.

10 . You will be denied a HazMat endorsement if:

You are a resident of the state in which you are applying.
You have no prior felony convictions.
You are considered to pose a threat.

11 . Cargo should be covered:

To protect people from spillage.
To hide the materials.
To make it more difficult to steal.

12 . Reading a text message while driving is:

Encouraged.
Allowed only if you are not pulling a trailer.
Illegal.

13 . Of the following, which is not a recommended way to spot potential signs of trouble?

Watching the gauges
Using your senses
Checking critical items only at the beginning and end of a trip

14 . When leaving your vehicle unattended:

The parking brake should be used.
The parking brake only needs to be used if the vehicle is parked on a slope.
The parking brake should not be used, as it can damage the tires.

15 . Which of the following vehicles is not exempted in requiring the driver to hold a CDL?

A military vehicle
A school bus
An emergency vehicle

16 . When starting from a complete stop, a vehicle should:

Jerk forward.
Roll backwards.
Not move backwards.

17 . If turning to avoid a hazard:

You should brake hard.
You should not brake as it may cause the wheels to lock.
You should turn very sharply.

18 . Which of the following is not a type of tie-down equipment?

Ropes
Straps
Velcro

19 . Brakes can get out of adjustment quickly, especially:

If they are hot.
In the winter time.
If they are used frequently.

20 . If convicted of a traffic violation, you must inform your employer:

Within three hours.
Within a week.
Within 30 days.

21 . What is the legal length limit for double-trailer combinations?

34 feet
53 feet
61 feet

22 . Mirrors should be:

Checked only when changing lanes.
Checked frequently.
Checked only if there is a reason to suspect a problem.

23 . Your CDL will be revoked if:

You want to add an endorsement.
Your privilege to operate your personal vehicle is revoked.
You have not paid a toll.

24 . What is the maximum speed allowed to be driven by a truck on a county road?

25 mph
50 mph
70 mph

25 . Convex mirrors:

Cannot be used on vehicles transporting hazardous materials.
Are illegal in most states.
Can help drivers see a larger area.

26 . Who is responsible for tracking the number of hours driven each day?

The driver
The shipper
The employer
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27 . Pre-trip inspections are:

Recommended.
Needed only for trips longer than 100 miles in length.
Required by law.

28 . No more than ____ may be driven by a commercial driver in a seven-day period.

40 hours
50 hours
60 hours

29 . When loading cargo, it is important to:

Stack items as high as possible.
Know the weight capacity rating of the suspension system.
Place light items underneath heavier items.

30 . If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:

Test the brakes while driving, but continue driving if nothing seems wrong.
Immediately stop driving.
Drive with the hazard lights activated.

31 . Not using a safety belt while driving:

Is encouraged.
Is optional.
Is illegal.

32 . A driver may restart a period of seven or eight consecutive days on duty:

After taking 24 hours off.
After taking 34 hours off.
After taking 46 hours off.

33 . If an aggressive driver is involved in a crash on the road ahead, you should:

Stop and confront the driver.
Stop a safe distance from the crash scene, wait for police to arrive, and tell them of the driver's behavior.
Block the driver in with your vehicle.

34 . Regrooved tires:

Should not be used on any vehicle.
Should not be used on the front of a bus.
Should not be used on trucks hauling gravel.

35 . The air storage tanks:

Hold only enough air for one braking cycle.
Hold enough air for the brakes to be used several times if the compressor stops working.
Do not hold air unless there is an emergency.

36 . Which of the following is not a cause of hydraulic brake failure?

Loss of hydraulic pressure
Brake fade on long hills
Downshifting

37 . When inspecting the windshield before a trip, a person should do all the following, except:

Remove and sharpen the wiper blades.
Check the windshield wipers for proper spring tension.
Check the wiper blades for damage.

38 . One way to prevent drowsiness while driving is to:

Drive alone.
Avoid regular exercise.
Get adequate sleep the night before the trip.

39 . To qualify for a CDL, which of the following is not an acceptable method for obtaining the minimum required training?

Completing a certified course from an approved commercial driver training school
Completing a course of commercial driver training as required by an employer
Reading the official commercial driver's manual

40 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine

41 . Poor weight balance:

Improves handling.
Can negatively affect handling.
Will reduce fuel consumption.

42 . If involved in an accident, a truck operator should:

Exchange information with all others involved in the collision.
Fly a drone to take pictures of the accident scene.
Immediately drive to the nearest police department to file a report.

43 . On a slippery road, a driver should:

Make turns as quickly as possible.
Refrain from passing slower vehicles.
Stop quickly.

44 . A low air pressure warning signal should activate:

When tank pressure falls below 120 psi.
When tank pressure falls below 60 psi.
When tank pressure falls below 10 psi.

45 . If an aggressive driver is involved in a crash down the road, you should:

Pull over and yell at them.
Stop after the crash scene and report the other driver’s behavior to police.
Block the driver in with your vehicle.

46 . What is the maximum legal weight to be placed on a single axle?

20,000 pounds
34,000 pounds
80,000 pounds

47 . Do not base your decision to shift gears on:

The speed of your engine (rpm).
The speed of the road (mph).
The actions of the vehicle next to you.

48 . If a vehicle's Anti-Lock Braking System (ABS) is malfunctioning:

The vehicle will have no brakes.
The vehicle will still be able to brake.
The vehicle will likely travel faster than usual.

49 . In a vehicle with dual parking control valves, a separate air tank can be used:

To make the air brakes work more effectively.
To temporarily release the spring brakes.
To charge the brakes on the rear trailer.

50 . Blocking is used to:

Keep cargo in a large box.
Prevent cargo from sliding in a trailer.
Prevent cargo from falling out of a trailer.