connecticut
CDL Practice Test

This site is available to practice and prepare to take the Connecticut CDL test. These tests are free and you are able to take tests as many times as you would like as you prepare to go to the DMV to take the CT CDL knowledge test. You will be presented with 40 questions and you must answer 32 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

An "A/W" the first column of the hazardous materials table means:

It is ok to ship this material by air only.

There is no restrictions with this material if shipped by water only.

This material is only restricted when shipped by air and/or water.

This material has no restrictions when shipped by air and/or water.

2 / 40

It is good practice to_____when uncoupling.

all answers are appropriate

make sure the electrical cable is hanging with the plug end down

have the glad hands coupled to the dummy couplers

have the glad hands coupled together

3 / 40

Check to ensure that____when inspecting the coupling.

the landing gear handle is free to hang down

there is no slack at all in the air lines

the electrical cable is unplugged

there is minimal slack in the air lines

4 / 40

To avoid rollover when going through a curve, the best thing to do is:

Drive at a speed higher than the posted speed limit.

Ride the brakes through the curve.

Pump the brakes through the curve.

Drive at a speed below the posted speed limit.

5 / 40

In column 1, the "D" symbol means:

Detonators

Domestic restrictions

Devices

Domestic transportation

6 / 40

What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

nothing will occur

the rig will slide sideways but stay in a straight line

there will be a trailer jackknife

no matter how you turn the steering wheel, the rig will continue in a straight line

7 / 40

You should check the_____when loading small tanks equipped with bulkheads.

distribution of the weight

percentage of water

expansion rate

fuel to air ratio

8 / 40

A tank trailer should never be fully loaded due to:

The movement is stronger.

The will be more shifting of the load.

The liquid can expand causing a leak from the trailer.

The baffles aren't as effective.

9 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

in a closed position

in a 1/3 way open position

in an open position

in a halfway open position

10 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

ride the brakes

pump the brakes

accelerate

shift down 2 gears

11 / 40

What is the movement of the liquid called when the tanks are partially filled?

Crashing

Surging

Knocking

Framing

12 / 40

Which of the following statements about the bus interior is false?

The seats must be safe for riders all seats must be securely fastened to the bus.

If there is a red emergency door light, it must work.

If you use your outside lights, you don't need to turn on red emergency door light.

Never drive with an open emergency exit door or window.

13 / 40

The average person requires how many hours of sleep per 24 hour period?

7 or 8

5 or 6

8 or 9

6 or 7

14 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

the rear trailer is twice as likely

there is an even chance for either trailer

the front trailer is twice as likely

trailers will never turn over

15 / 40

For emergency braking to avoid a crash when driving a double trailer you should:

use the trailer brakes only

do stab or controlled braking

slam down the brake pedal and keep pressure on it

none of the answers listed

16 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

total weight of the vehicle and cargo

time of day

weather

length and steepness of grade

17 / 40

Remember to_____when steering to avoid a crash while driving doubles.

have both hands on the steering wheel

be prepared to counter-steer

keep your foot off the brake while turning

all answers listed

18 / 40

A battery box check is important. The battery must be secure, connection must be tight, and cell caps must be present. In addition these items should be checked:

Battery connections should not show signs of excessive corrosion, and the battery box and cover or door should not be damaged and should be secure.

Battery connections should not show signs of excessive corrosion, but the battery box and cover or door is unimportant.

Battery connection should show signs of excessive wear.

The fluid level inside the battery.

19 / 40

Where can you find a shipper’s certification?

On all packages.

It is a separate document that all hazmat drivers must keep in their vehicles.

There is no such thing.

On the original shipping paper.

20 / 40

Which of the following statements about "Radioactive" labels is true?

Black iii indicates the highest level of radioactivity.

Yellow ii indicates the highest level of radioactivity.

Yellow iii indicates the highest level of radioactivity.

White i indicates the highest level of radioactivity.

21 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

yes

only at the end of the shift

only every 7 days

22 / 40

Select the true statement about what the Air Compressor Governor controls:

it controls when the brakes will be applied

it controls when air is released from the storage tank

it controls when the air compressor pumps air into the storage tanks

it controls when the warning system is activated

23 / 40

You should expect____when backing a tractor under a trailer.

the trailer landing gear to be fully extended

the trailer to be completely still

the end of the kingpin to be level with the top of the fifth wheel

the trailer to lift slightly

24 / 40

What are the 3 methods for securing a second trailer before coupling?

parking against another trailer, locking the trailer door, and chocking the tires

chocking the tires, parking on level ground, and charging the air tank

parking on level ground, chocking the tires, and charging the trailer air tank if it doesn't have spring brakes

all answers listed

25 / 40

You should check that the following makes an audible noise:

Air leaks

Radio system

Engine brakes

Electric or air horn

26 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

the dolly tow bar could fly up

the air lines will explode

nothing will happen

the engine brakes will unlock

27 / 40

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

Coolant pressure gauge

Oil pressure gauge

Voltmeter gauge

Air pressure gauge

28 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

Flammable gases

Poisons

Explosives

Flammable liquids

29 / 40

Air tanks need to be drained:

air tanks should absolutely never be drained

to keep the tanks warm when not in use

to prevent water and oil from building up in the tank

to keep the tanks cold when not in use

30 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

False

True, but only on downgrades

True

True, but only in ideal conditions

31 / 40

To transport cargo safely, which of these are you NOT responsible for?

making sure that cargo is properly secured

inspecting the cargo

recognizing possible overloads

ensuring the freshness of sealed cargo

32 / 40

Overhead inside mirror is used to:

see the area where students exit the bus

see the blind spot immediately behind the bus

see all of the students

monitor traffic that approaches and enters the blind spot area

33 / 40

Why should you cover cargo?

because many states require it

to protect your cargo from bad weather

all of these answers are correct

to protect individuals from any spilled cargo

34 / 40

What is the purpose of cladding in a tanker?

It protects the tanker form any corrosive cargo.

It controls the temperature of the cargo.

It protects the cargo from changes in temperature.

It eliminates liquid surge.

35 / 40

What position should the tractor protection control valve be in after coupling?

lowered

raised

mid position

normal

36 / 40

How do you make sure the trailer height is correct before coupling?

visually check that the rear trailer is lower than the fifth wheel so that the trailer raises slightly when the dolly is pushed under it

you do not need to do a visual check

visually check that the lead trailer is higher than the fifth wheel so that the trailer will lower when the dolly is pushed under it

visually check that they are level height wise

37 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

38 / 40

The walls that separate compartments inside the tanks and having openings at the top and bottom are called:

Layers

Baffles

Free walls

Bulktears

39 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

chock the wheels and release the parking brakes after parking on a level ground

apply the parking brake after stopping on level ground

after parking on a slight grade, release the parking brake, activate the service brakes and check for vehicle movements

drain off air pressure before adjusting after parking on level ground

40 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

look for brake lights from slowing vehicles

determine if there are any hills coming up

look for vehicles coming into your lane

determine if there are any upcoming traffic lights that might require you to stop

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The average score is 0%

4.5/5 - (2 votes)

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CDL Practice Test

How To Get A connecticut Commercial Drivers License

Those looking to obtain a Connecticut CDL must have a valid operator’s license and the following requirements below. Applicants between the ages of 18 and 21 can apply for an intrastate CDL license. Only those who are 21 years of age or older may apply for an interstate CDL as well as Hazmat, Doubles/Triples, Passenger, and School Bus Endorsements. All CDL applicants must have a medical examiner’s certificate, or DOT physical card, to be eligible for a CDL. In addition, all applicants must complete a self-certification form which describes the types of vehicles that the applicant intends to drive with their commercial driver’s license.

Any applicants who have the following are disqualified from receiving their commercial driver’s license.

If you are subject from receiving CDL driving privileges in another state.
If you have an impaired driving conviction in a commercial vehicle in the past 24 months.

If your license is currently suspended, revoked, denied, or canceled.
If you have more than one driver’s license.

CDL applicants are required to complete at least one knowledge assessment and a skills test to ensure their proficient understanding and knowledge of the commercial driving laws in the state of Connecticut.

Endorsements
T – Double or Triple Trailers
P – Passenger / Transport
N – Liquid Bulk / Tank Cargo
H – Hazardous Materials
X – Hazardous Material and Tank Combined
S – School Bus
V – Student Transportation Vehicle
A – Activity Vehicle
F – Taxi, Service Bus, Livery, Motor Bus, Motor Coach

Hit the Open Road

connecticut CDL License Test Tips

All applicants are required to complete written knowledge tests to obtain their CDL. Those looking for a Class A CDL will need to complete a 70-question test. Those looking for Class B and C CDLs will need to complete a 50-question general knowledge test. Those seeking endorsements and removal of the Air Brake Restriction will be responsible for taking a knowledge test for each endorsement or removal sought. These tests range between 20 and 30 questions. All tests must be passed with a score of 80 percent or greater.All applicants must complete a skills test in accordance with the federal regulations. Each skills test is comprised of a pre-trip inspection, driving assessment, and basic control skills. All three parts must be passed in order for the applicant to receive their commercial driver’s license. Those seeking endorsements must take the skills test in the vehicle type their intended endorsement is for.

Additional Information

Information on the Connecticut Department of Motor Vehicles

The State of Connecticut Department of Motor Vehicles regulates the CDL requirements and testing in Connecticut. To get more information contact them via:

Website: https://portal.ct.gov/DMV/Licenses/Licenses/Commercial-Drivers/CDL---Main-Menu

Phone: 860.263.5700

Additional Connecticut CDL Helpful Links

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

connecticut CDL Practice Test