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

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

At least half a mile

At least ten feet

At least five feet

At least twenty feet

2 / 40

The transport index of a radioactive material:

Tells the degree of control needed during transportation.

None of these answers are correct.

Is another way of writing the weight of the package.

Is something that only the shipper needs to worry about.

3 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

The shipper

The driver

The carrier

Your spouse

4 / 40

You must have placards for explosives, poison gas or flammables exceeding:

100 pounds

10 cartons

10 pounds

Any amount

5 / 40

What might happen if you swing wide to the left before you turn right?

someone might try to pass you on your right

all of these answers are correct

you might damage your leaf springs

someone might try to pass you on your left

6 / 40

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

determine if there are any hills coming up

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

look for brake lights from slowing vehicles

look for vehicles coming into your lane

7 / 40

You should_____when an emergency requires you to quickly stop your tanker.

use stab or controlled braking

turn off the abs and brace for impact

keep a firm pressure on the brake pedal

use the emergency brakes only

8 / 40

Select the reason as to why air tanks need to be drained:

to provide greater control of your vehicle

to release water and other contaminents which may cause brakes to fail in freezing weather

tanks usually do not need to be drained

to prevent the left sided brake from locking up

9 / 40

A tractor should not be backed under a trailer until the whole air system is:

is between 50 and 80 psi

at a normal pressure

is between 40 and 60 psi

is at half of the maximum pressure

10 / 40

Why are you required to take an exam about air brakes?

it is a federal requirement

you would have to get a CDL with a restriction otherwise

you cannot receive a CDL at all otherwise

all trucks have air brakes

11 / 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

visually check that they are level height wise

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

you do not need to do a visual check

12 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

disconnect the air supply lines after supplying air to the trailer air system via the tractor

go ahead and couple it

make sure the trailer won't roll when coupling

have the trailer electric cord to a generator so it can supply braking power

13 / 40

Which of the following is NOT a basic step to be taken at a crash scene?

gather the contact information of all the drivers involved

care for the injured

protect the area

notify authorities

14 / 40

Select the factor that is known to cause brakes to fail or fade. (more than one answer may be correct, but select only one)

when using the engine brake more than the brakes

excessive heat from extensive use

tire retread that is mismatched

brakes that are not aligned properly

15 / 40

Which of the following parts do not get checked in the Bus Interior inspection:

Each hand-hold and railing.

Signaling devices, including the restroom emergency buzzer, if the bus has a restroom.

Seat coverings.

Emergency exit handles.

16 / 40

A minimum tread depth of 2/32 inch is required for:

Donut tires.

Non-steer axle tires.

Parking axle tires.

Driving axle tires.

17 / 40

If you double your speed, what will happen to your stopping distance?

it stays about the same

it increases by four times

it increases by two times

none of these answers are correct answers are correct

18 / 40

Select the true statement about empty trucks:

they have poor traction due to wheel lockup and bouncing

empty trucks stop in the same distance as a fully loaded truck

empty trailers are easier to stop because there is not cargo shifting

they have a smaller stopping distance than full trailers

19 / 40

How do you check the power steering fluid?

Undo the oil fill cap and check the level.

Via the power steering fluid dipstick.

By looking through the reservoir sight glass.

Via indicator light on the dashboard.

20 / 40

Select when you should use the hand valve to park a combination vehicle.

when parking at a loading dock

when parking on a downgrade

when parking in a commercial lot

never

21 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

Two or more trailers.

A placarded cargo tank.

A 200 inch wheelbase trailer.

None of these answers are correct.

22 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

23 / 40

Select the true statement in regards to stopping distance and speed:

All answers listed.

Larger / heavier vehicles generally take longer to stop.

You require 4 times as much stopping distance when driving at 40 mph compared to 20 mph.

A wet road will double the stopping distance at any speed.

24 / 40

How can you check slack adjusters?

by frequently checking the pressure gauge

by pulling hard on each slack adjuster

by using a fixed wrench

it is not possible to check manually

25 / 40

Buses may carry small-arms ammunition labeled ORM-D, emergency hospital supplies, and drugs. However, buses must never carry:

More than 750 pounds total of allowed hazardous materials, and no more than 100 pounds of any one class.

More than 500 pounds total of allowed hazardous materials, and no more than 100 pounds of any one class.

More than 1000 pounds total of allowed hazardous materials, and no more than 200 pounds of any one class.

More than 250 pounds total of all allowed hazardous materials.

26 / 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 1/3 way open position

in a halfway open position

in a closed position

in an open position

27 / 40

The front trailer supports should be____before driving away.

raised 1/3 of the way with the crank handle secured in its bracket

raised fully and the crank handle secured in its bracket

raised 1/2 way with the crank handle secured in its bracket

3 turns down from the top and the crank handle secured in its bracket

28 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

The lockjaw

Electric/air lines

Tires

Mud flaps

29 / 40

Select the true statement in regards to the center of gravity for tanks:

The vehicle can handle higher speeds around curves than other large trucks.

The vehicle can turn over even when driving at the posted speed limit for curves.

None of the answers listed.

The center of gravity is generally lower than with other large trucks.

30 / 40

Never refuel your bus:

With a higher grade of fuel.

Without a static chain.

With any of the windows open.

In a closed building with passengers on board.

31 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

road rage

defensive driving

tailgating

aggressive driving

32 / 40

This object is not checked at the rear of the trailer.

The back doors

The bumper

The mud flaps

The header board

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

raised half way with the crank handle stored in the cab

34 / 40

You should_____to uncouple the converter dolly.

lower the landing gear, disconnect the safety chain, and chock the wheels

disconnect the safey chains, lower the landing gear, and chock the wheels

chock the wheels, disconnect the safety chains, and then lower the landing gear

chock the wheels, lower the landing gear, and disconnect the safey chains

35 / 40

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

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

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

Never drive with an open emergency exit door or window.

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

36 / 40

You must be alert for road hazards so that:

Law enforcement personnel can be called.

Accident reports will be accurate.

You will have time to plan your escape if the hazard becomes an emergency.

You can help impaired drivers.

37 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

both of the answers listed

see if the air pressure drops more than 3 lbs in a minute while holding it down for that full minute in a single vehicle

none of the answers listed

see if the air pressure drops more than 4 lbs in a minute while holding it down for a full minute in a combination vehicle

38 / 40

Of the following hazardous material classes, which is the most dangerous?

Division 64

Division 62

Division 63

Division 61

39 / 40

A bus has a GVWR of 22,000 pounds and seats 24 passengers. What CDL class is this vehicle?

Class B

Class D

Class C

Class A

40 / 40

Where are the two main places where the hazardous material identification number appears?

On the shipping papers and on the package.

On the shipping papers and on a secret document in the driver's wallet.

On the package and on paperwork at the shipping point of origin.

On the package and on paperwork at the shipping destination.

Your score is

The average score is 0%

4.5/5 - (2 votes)

CDL Category Practice Tests

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