vermont
CDL Practice Test

Welcome to the Vermont CDL practice test site. As you prepare to obtain your CDL in Vermont, have this site be a guide for practicing common test questions. You can take these practice tests and questions as many times as you like, all of the driving tests on this site are completely free and aimed at helping you prepare to take the Vermont CDL test. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

At what pressure is the safety valve in the air compressor tank set to open?

225 psi

150 psi

125 psi

100 psi

2 / 40

Why should you test the tractor protection valve?

to avoid the emergency brakes kicking on due to loss of air

all answers listed

to avoid loss of air from the trailer brakes

to avoid loss of air from the air hose

3 / 40

What does the service brake system do?

they are only on vehicles that have hydraulic brakes

they are valves that maintain air tank pressure

under normal driving it applies and releases the brakes by using the brake pedal

they are part of an official vehicle inspection

4 / 40

A "transport index" relates to products that are:

Meant for human consumption

Liquid

Overweight

Radioactive

5 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

apply a firm pressure to the brakes, release the brake pedal once the wheels lock and then apply pressure to the brakes onces the wheels start rolling again

apply a full hand valve until you stop and press firmly on the brake pedal

rapidly and lightly pump the brake pedal

apply pressure to the brake pedal until the wheels lock and then stay off of the pedal for as long as the wheels are locked

6 / 40

There should be ___space between the upper and lower fifth wheel after coupling.

none of the answers listed

1/12 inch

1/30 inch

1/8 inch

7 / 40

The Emergency Response Guide, ERG, can best be explained as _____.

a guidebook for firefighters, police, industry workers, truck drivers, dock workers, and shippers on how to protect themselves and the public from hazardous materials

none of these answers are correct

a guide explaining what materials can be hauled together in the same vehicle and a guidebook for firefighters, police, and industry workers on how to protect themselves and the public from hazardous materials

a guide explaining what materials can be hauled together in the same vehicle

8 / 40

The minimum tread depth for tires other than the front tires is ____.

4/32

3/32

1/32

2/32

9 / 40

What is the purpose of cladding in a tanker?

It eliminates liquid surge.

It controls the temperature of the cargo.

It protects the cargo from changes in temperature.

It protects the tanker form any corrosive cargo.

10 / 40

Select the first action to do when the low air pressure warning comes on:

shift into a higher gear

adjust the engine brake

come to a stop and safely park as soon as possible

release the supply control valve

11 / 40

How should you know when to shift?

engine speed and the shift indicator light

engine speed and road speed

every 3 to 5 seconds or engine speed

road speed and wind speed

12 / 40

What method should be used to test that the air is flowing to all the trailers?

pump the brakes with the windows down

listen for air flow after opening the shutoff valves at the rear of the last trailer

check the pressure indicator dial on the final trailer

only a certified mechanic can check for this

13 / 40

Air pressure should build___with a dual air system.

from 60 to 100 psi in 45 seconds

from 50 to 80 psi in 60 seconds

from 85 to 100 psi in 45 seconds

from 70 to 125 psi in 60 seconds

14 / 40

Select the definition of "off-tracking."

none of the answers listed

it is wheen the rear wheel skid and the front wheels maintain a straight path

it is when the trailer wheels go in a different direction from the front wheels

it is when the rear wheels of the vehicle follow a different path way than that of the front wheels

15 / 40

Which of the following are some suspension system defects?

cracked or broken spring hangers

broken leaves in leaf spring

all of these answers are correct

leaking shock absorbers

16 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about 1/4 mile

about two car lengths

about the length of a football field or 100 yards

about two truck lengths

17 / 40

Remember to_____when steering to avoid a crash while driving doubles.

be prepared to counter-steer

keep your foot off the brake while turning

have both hands on the steering wheel

all answers listed

18 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

It can occur when driving through a curve.

It can occur even when driving at the posted speed limit.

It can occur even with baffles inside that slow the flow.

All answers listed.

19 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

high

low

long

narrow

20 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

3 psi in a minute

2 psi in a minute

4 psi in a minute

5 psi in a minute

21 / 40

It is important to know the outage required for the liquids you carry because:

Tank baffles may not always be permitted with outage.

None of these answers are correct.

Some liquids will expand more than others when warm.

Some of the denser liquids don't need any.

22 / 40

You should check that the following makes an audible noise:

Radio system

Electric or air horn

Engine brakes

Air leaks

23 / 40

The blind spot behind the bus could extend to how many feet?

300 feet

200 feet

100 feet

400 feet

24 / 40

The interlock system for the brake and accelerator on a transit coach may be used:

To replace the parking brake.

All of these answers are correct.

As a safety feature when the exit door is open.

To replace the rear door emergency buzzer.

25 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

Send someone for help with all the necessary information.

Keep driving for help as quickly as possible.

Leave your truck parked with emergency lights on and walk for help.

Keep driving, slowly and cautiously, until you reach a phone.

26 / 40

You should check your mirrors while making a lane change:

after you have completed the lane change

all answers listed

right after you start the lane change

after you signal your intent to change lanes

27 / 40

Which of the following is a reason to evacuate the school bus?

A child set off a stink bomb inside the bus.

The bus is stalled on a shoulder of a 4-lane divided highway and it is getting hot inside.

The bus abs warning light is on.

The bus is stalled on a rail road track, but there is no train in sight.

28 / 40

The trailer should be lowered so that _____.

the tractor comes in contact with the nose of the trailer

the trailer is high above the fifth wheel

you are able to use the landing gear to make adjustments

it is slightly raised when the tractor is backed under it

29 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

it could cause the trailer to skid

it should not be used on dry roads due to road conditions

it releases too much air from the system

the trailer brakes will not be evenly applied

30 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

none of the ansers listed

the trailer tank pressure to decrease

the trailer emergency brakes to activate

the tractor spring brakes to activate

31 / 40

Which of the following should you do when confronted by an aggressive driver?

all of these answers are correct

if you can safely do it, call the police from a cell phone

avoid eye contact

ignore rude gestures and refuse to react negatively

32 / 40

Liquid surge affects the handling of a tanker by:

Allowing you to take tighter turns.

Decreasing the wind drag.

Moving the truck in the direction of liquid flow.

Allowing you to stop faster.

33 / 40

Which of the following is a reason that shippers package material?

Because it is the shipper's responsibility to determine whether or not a material is hazardous.

All of these answers are correct.

Because it is the shipper's responsibility to correctly label the transport vehicle with precautionary placards.

Because it is the shipper's responsibilty to choose the correct packaging for a material classified as "hazardous".

34 / 40

What should the driver pay special attention to when driving smaller tanks?

The level of the fluid.

The high center of gravity.

The distrubition of weight.

All answers listed.

35 / 40

The emergency air line is used to:

engage the tractor's front brake when there is air pressure loss

engage the trailer brakes when there is an air pressure loss

provide back up air pressure

to alert emegency services when there is a problem

36 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

Steering linkage

Steering hoses/box

Air brake system

Locking pin

37 / 40

After coupling with a trailer, what position should the front trailer supports be in before driving away?

none of the answers listed

in the fully raised position with the crank handle secured to its bracket

raised half way with the crank handle stored in the cab

raised to the top and then taken 3 cranks down and the crank handle stored in its bracket

38 / 40

How do you check the coolant level?

None of the answers listed.

Remove the radiator cap once it is at operating temperature.

While wearing rubber gloves and safety glasses.

Inspect the reservoir sight glass or remove the radiator cap if the engine isn't hot.

39 / 40

____is what can legally hold the parking brake or emergency brake in position for a bus, truck, or truck tractor.

Brake pressure

All of these answers are correct

Air pressure

Spring pressure

40 / 40

Select why you should not use the trailer hand valve while driving:

there is a possibility it will make the trailer skid

you should only ever use the parking brake

it will cause the tractor to shake

it does not work as well as the foot brake does

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A vermont Commercial Drivers License

To be eligible for a CDL in Vermont, applicants must meet the following age eligibility requirements.

Be at least 18 years old to operate a commercial vehicle intrastate (within Vermont only).
Be at least 21 years old to operate a commercial vehicle interstate (outside of Vermont).

Vermont CDL applicants must be certified that they are medically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

(Form TA-VL-33) CDL Medical Certification
Medical Examiner Certificate

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Vermont. Applicants can be disqualified for having multiple licenses.

Vermont CDL Endorsements

H – Hazmat Vehicles
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Double or Triple Trailer
X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

vermont CDL License Test Tips

All Vermont CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Vermont test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Vermont skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must:

Be employed by the military within 1 year of submitting the application.
Have operated a commercial vehicle as part of their military duties for at least 2 years.
Have been discharged from the military within the past 12 months.
Submit (Form TA-VL-54) Application for Military Skills Test Waiver signed by the applicant’s commanding officer.

Additional Information

Information on the Vermont Department of Motor Vehicles

The Vermont Agency of Transportation Department of Motor Vehicles administers CDL license testing and regulations in Vermont. To get more information contact them via:

Website: https://dmv.vermont.gov/licenses/types-of-licenses-ids/commercial-drivers-license-cdl

Phone: 802.828.2000

Additional Vermont CDL Helpful Links

Please use the links below to access Vermont CDL testing resources and to learn more about practice driving tests for the state of Vermont.

vermont CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A vermont Commercial Drivers License

Hit the Open Road

vermont CDL License Test Tips

Additional Information

Information on the Vermont Department of Motor Vehicles

Additional Vermont CDL Helpful Links

vermont
CDL Practice Test