1 . While still below the legal limit, a driver operating a CMV with a detectable amount of alcohol in their system will:

Result in an out-of-service order for two hours.
Result in an out-of-service order for 10 hours.
Result in an out-of-service order for 24 hours.

2 . When completing an offset back/left parking maneuver, a driver should:

Pull straight forward, then back to the left.
Drive straight back, then pull forward to the left.
Pull straight forward, then drive straight back.

3 . When in heavy traffic, the safest driving speed is:

Slower than the speed being driven by surrounding traffic.
The same speed being driven by surrounding traffic.
Faster than the speed being driven by surrounding traffic.

4 . Before driving a power steering-equipped vehicle, you should make sure that:

The fluid is at a proper level.
The hoses are connected to the battery.
Any leak is small.

5 . Interstate carriers must have what information affixed to both sides of a CMV?

USDOT number
Model number of the truck
Destination

6 . What does a vehicle inspection report do?

Tells the motor carrier about problems that may need fixing
Ensures that the vehicle is inspected regularly
Holds drivers accountable for inspecting the vehicle

7 . Foundation brakes are used:

Only on the front wheels of a vehicle.
Only on the rear wheels of a vehicle.
On each wheel of a vehicle.

8 . Which of the following is acceptable if found during a pre-trip inspection?

Tires of mismatched sizes
Tread of 3/32 of an inch in the grooves of the front tires
Tires manufactured by different makers

9 . While driving, you may:

Use a hand-held cell phone for a call.
Send text messages.
Not hold a phone to make a voice call.

10 . An applicant must hold a Commercial Learner’s Permit (CLP) for a minimum of ____ before taking the road test.

Three days
14 days
30 days

11 . To warn drivers behind you that you will be slowing down, you should:

Turn on the right turn signal followed by the left turn signal.
Tap your brake pedal a few times to illuminate your brake lights.
Swerve from side to side to get their attention.

12 . How much distance will an air brake-equipped vehicle need to come to a complete stop if it is traveling at 55 mph under ideal driving conditions?

300 feet
100 feet
450 feet

13 . Rims with welding repairs:

Are not safe to be used.
Are acceptable on combination vehicles.
Are acceptable only when traveling at speeds under 40 mph.

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

Within three hours of the violation.
Within one week of the violation.
Within 30 days of the violation.

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

Six to seven
Seven to eight
Eight to nine
Four to five

16 . If a load is 40 feet long, the minimum number of tie-downs required to secure the load is:

Two tie-downs.
Three tie-downs.
Four tie-downs.

17 . 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.

18 . Backing with a trailer is dangerous because:

It is difficult for the driver to see behind the trailer.
There may be extra weight in the front of the vehicle.
Cargo may fall out of the trailer.
Trailers are not made to be driven in reverse.

19 . While driving, you:

Can send text messages.
Can make phone calls by pressing more than one button.
Cannot hold a phone to make a voice call.

20 . Parked delivery trucks may be hazardous because:

The trucks are often shiny.
People are often in a hurry when exiting such trucks and may not look for other vehicles.
Packages often fall out of the trucks and into the road.

21 . On a slippery surface, stopping distance:

Is longer than on a regular driving surface.
Is not as long as on a regular driving surface.
Is about the same as on a regular driving surface.

22 . Which of the following is not a sign of bad brakes?

Pads free of oil or grease
Shoes with oil or grease on them
Shoes worn thin

23 . What do the two systems of a dual air brake system share?

Hoses
An air compressor
Air tanks

24 . If you plan to slow down, you can warn drivers behind you by:

Slamming on the brakes.
Tapping the brakes a few times and before braking.
Turning on one set of turn signals.

25 . A driver may have:

Two licenses: one for automobiles and one for trucks.
Only one license.
A license for every state in which they drive.

26 . Your horn should be used to:

Tell other drivers that you are angry.
Warn other drivers that you are near.
Frighten other drivers.
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

27 . Backing with a trailer is dangerous because:

It is difficult to see behind the vehicle.
Most trucks do not have the ability to go in reverse.
Cargo may fall out of the trailer.

28 . When applying for a hazardous materials endorsement, being found guilty of which of the following is a disqualifying offense?

Arson
Speeding
Littering

29 . Rust around wheel nuts may mean:

It recently rained.
The nuts are loose.
The tire is not clean.

30 . An applicant for a CDL must be a minimum of:

18 years old.
21 years old.
25 years old.

31 . Off-ramps:

Are usually safest for trucks.
Can be dangerous for trucks.
Should not be used by trucks.

32 . The parking brake in a newer vehicle is applied by:

Moving a lever to the right.
Pushing a yellow, diamond-shaped knob.
Pulling a yellow, diamond-shaped knob.

33 . While driving, you may:

Send text messages.
Not send text messages or make calls.
Not make voice calls on hand-held phones.

34 . When leaving your vehicle:

The air brakes should be applied.
The parking brake should be applied.
Brakes should not be applied if the vehicle is left out of gear.

35 . Dual tires should:

Not both be in contact with the road surface.
Not touch one another.
Be different sizes from one another.

36 . Pre-trip inspections should be done:

Differently each time in order to place emphasis on different items.
The same way each time to prevent you from forgetting anything.
Once in a while.

37 . Oversized loads:

Can never be transported by a truck.
Should only be transported during the day.
Should receive proper authorization to ensure compliance with state and local laws.

38 . When cargo is being loaded, weight should be placed:

As high as possible.
As low as possible.
As close to the cab as possible.

39 . When turning, you should:

Signal before the turn.
Turn off your turn signal just before starting the turn.
Signal only if vehicles are in front of you.

40 . Most heavy trucks with manual transmissions require ____ to change gears.

Single clutching
Double clutching
Triple clutching

41 . To operate a commercial motor vehicle in interstate commerce, a driver must be at least:

18 years old.
21 years old.
25 years old.

42 . A cracked rim should be:

Repaired by welding.
Relocated to one of a pair of dual tires.
Replaced.

43 . If the coolant temperature gauge goes above the highest safe temperature, you should:

Continue to drive.
Pull over and figure out what's wrong.
Run the air conditioner.

44 . If feeling drowsy while driving, you should:

Press on and finish the trip.
Drive faster to reach your destination more quickly.
Safely leave the road and take a nap.

45 . When operating a truck requiring a CDL:

You do not need to wear a seat belt.
You are required to wear a seat belt, but only if driving a tank trailer.
You must always wear a seat belt.

46 . When traveling down a steep downgrade:

The air brakes should be used.
The vehicle should be placed in a low gear and the driver should use engine braking.
The driver should continually downshift instead of using the brakes.

47 . Hanging meat:

Should never be transported by trailer.
Can be an unstable load.
Must be approved by the Environmental Protection Agency (EPA).

48 . If there is a fire in your vehicle and you are not sure how to extinguish it, you should:

Use a fire extinguisher.
Try douse the flames with water.
Move away from the flames and wait for the firefighters.

49 . ____ is a thin layer of ice that forms on road surfaces.

White ice
Black ice
Green ice

50 . How long must an applicant hold a Commercial Learner’s Permit (CLP) before taking the road test?

14 days
30 days
60 days