hawaii
CDL Practice Test

This site is available to take practice questions to prepare for the Hawaii CDL test. The tests are free and you are able to take them as many times as you would like as you look to obtain a Hawaii CDL. 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

When approaching railroad tracks, stop your bus:

Only if you have manual transmission, then proceed with flashers on.

5-10 feet before railroad tracks.

On the tracks so you can see if the train is coming.

15 and 50 feet before railroad crossings.

2 / 40

Mirrors with a convex surface or "spot" mirrors _____.

make things look closer and larger than they actually are

make things look farther away and smaller than they actually are

they show a larger area than flat mirrors so do not need to be checked as often

are illegal in most states

3 / 40

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

only a certified mechanic can check for this

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

pump the brakes with the windows down

4 / 40

What is the normal operating range for a truck's oil pressure?

30-75 psi

This is engine-specific

40-60 psi

20-30 psi

5 / 40

The front trailer supports should be____before driving away.

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

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

6 / 40

The belt that you need to make sure is securely mounted, without frays, and adjusts and latches properly is the:

The air compressor belt

The water pump belt

The seat/safety belt

The power steering belt

7 / 40

When driving on a clear night with the vehicle lights on, your speed should be such that you can stop within _____.

the distance you can see ahead of you

the length of half a football field

the distance you will travel in 10 seconds time

2 times the length of your vehicle

8 / 40

Select the statement that best explains the "crack-the-whip" effect.

it is when you make a sudden movement of the steering wheel or a quick lane change and the tractor tends to rock and sway. The velocity of the rearmost trailer forces the tractor to roll over before the trailer.

it is when the trailer is half full with the cargo loaded in the front half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when the trailer is half full with the cargo loaded in the rear half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when you make a sudden movement of the steering wheel or a quick lane change and the rear trailer tends to swing out. The force of the rear trailer becomes amplified, which will cause it to roll over (rearward amplification).

9 / 40

The baffles in a tank trailer help to control:

The distrubition of weight.

The flow of liquid side to side.

The overall weight of the vehicle.

The movement of liquid from front to back.

10 / 40

Select the best description of a baffle tank:

It is one large tank.

None of the answers listed.

They are tanks divided down into multiple smaller tanks.

They are divided and have holes for liquid to flow through controlling surge.

11 / 40

Select the true statement about tractor protection valve:

it provides the air supply to the brake system

all of these answers are correct

if the air supply drops to a certain level it will automatically close itself

it is closed by the parking brakes

12 / 40

Which of the following should you NOT do if you experience a tire failure?

engage the brakes hard and immediately

stay off the brake pedal

hold the steering wheel firmly

you need to be aware that a tire has failed

13 / 40

It takes special care to drive tankers with liquid in them because:

The high center of gravity of the load.

The baffles create odd rocking motions.

The low center of gravity of the load.

The movement of the liquid even when the truck is stopped.

14 / 40

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

use a portable generator to supply brake pressure

none of the answers listed

make sure the trailer will not roll away when coupling

supply air to the trailer air system via the tractor and then disconnect the emergency line

15 / 40

The minimum tread depth for steering axle tires is:

14 mm

4/32 inch

2/23 inch

None of the answers listed

16 / 40

How should the hand valve be used?

when the trailer is fully loaded down

only in emergency situations

only in conjuction with the foot brake

to test the trailer brakes

17 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

you will come to a complete stop

nothing will occur until you try to use the brakes

the emergency tractor brakes will activate

the trailer's air tank will leak through the one line

18 / 40

Select the step that comes first:

shift into reverse

apply a firm pressure to the trailer brakes

connect the air supply lines

lower the landing gear

19 / 40

You must control how far packages labeled "Radioactive II" or "Radioactive III" are located from people and cargo space walls by referring to:

The table of hazardous materials.

The list of hazardous materials and reportable quantities.

The transport index and the separation distances table.

The segregation and separation chart.

20 / 40

What is the most important reason for doing a school bus inspection?

To check for flat tires.

For safety required by federal, state, and local laws.

To assist the school principal with their report.

To give the mechanic something to do.

21 / 40

The two main things to look ahead for while driving are _____.

traffic and road conditions

fire and flooding

truck stops and police

bridges and tunnels

22 / 40

Carry-on baggage cannot be stored:

In the aisles and stairwells.

Behind the seats.

Under the seat.

On the seats.

23 / 40

You should back up slowly until____when coupling the trailer.

the cargo inside the trailer shifts

the tractor comes in contact with the front of the trailer

the rear wheels are visible in the mirror

the fifth wheel has just touched the trailer

24 / 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

25 / 40

Select the correct setup for shut-off valves:

the rear shut-off valves are closed and the front trailer valves are open

the front shut-off valves are closed and the rear trailer valves are open

the front and back shut-off valves are open

the front and back shut-off valves are closed

26 / 40

As the driver of a bus, how can you best avoid hindering other traffic on the highway?

By driving faster than the other traffic.

By staying in the right lane if you can.

By passing only the slowest vehicles.

By never passing.

27 / 40

What does the service brake system do?

they are part of an official vehicle inspection

they are only on vehicles that have hydraulic brakes

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

they are valves that maintain air tank pressure

28 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

Lug bolts

Spacers

Fifth wheel

Frame

29 / 40

Select the factor that has no effect on how much liquid you can carry:

The legal amount of weight you can carry of any particular liquid.

How much the liquid will expand in transport.

The density of the liquid.

The liquid's weight.

30 / 40

When does your vehicle's single brake system need an adjustment?

when the pressure builds from 85 to 100 psi in less than 1 minute

when the governor stops between 75-90 psi

if the compressor cuts out at between 70 and 90 psi

if the pressure builds from 50 to 75 psi in less than 3 minutes

31 / 40

Select the portion of the combination vehicle that is most likely to turn over suddenly when pulling a double trailer:

the back trailer

the tractor

all are equally likely

the front trailer

32 / 40

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

True, but only on downgrades

True

True, but only in ideal conditions

False

33 / 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 abs warning light is on.

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

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

34 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

None of the answers listed.

The chance of rollover and of spontaneous combustion.

The danger of surge and the low center of gravity.

The danger of surge and the high center of gravity.

35 / 40

When must a driver’s inspection report be completed?

Only if defects are found.

At the end of each shift.

Before driving your bus.

All of these answers are correct.

36 / 40

A commercial motor vehicle (CMV) is defined as:

all of these answers are correct

a vehicle transporting 16 or more passengers

a vehicle transporting hazardous materials

a vehicle with a gross weight over 26,001 lbs

37 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

The identification number.

The box number.

The hazard class.

The proper shipping name.

38 / 40

What is the safest way to stop unruly behavior on the bus?

have the unruly students move to the front of the bus

pull off the road in a safe location, secure the bus, stand up, and tell the students what behavior you expect of them

keep checking the rear view mirror so you can see what happened and report to the principal

yell loudly for the students to sit down and behave themselves

39 / 40

The best way to test the low air pressure warning signal is to:

apply pressure on and off the brake pedal until the air pressure drops below 20 psi

manually release the air out of your brakes to see if the signal activates

apply pressure on and off the brake pedal with the engine off to drop the air pressure to below 60 psi

apply pressure on and off the brakes while the engine is running

40 / 40

You can be sure air is supplied to the second trailer by:

you should get out and listen for air flowing through the lines

while driving at 10 mph apply the hand valve you should stop at the same in the same distance as a single trailer driving at 5 mph

watch the air gauge for a drop of 30 psi

going to the rear of the second trailer and open the emergency line shut off

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A hawaii Commercial Drivers License

Applicants can apply for a CDL at age 18. Only applicants over the age of 21 years old can drive commercial vehicles in other states than Hawaii. Hazmat Endorsements and transporting persons is restricted to those applicants that are 21 years or older. Those applying for a commercial driver’s license must supply a DOT medical card and pass a vision assessment at the Hawaii State testing facility.

If any of the following statements are true about an applicant, they are automatically disqualified from receiving a CDL.

Having more than one driver’s license.
Being disqualified from commercial driving privileges in another state.
Having a driving impaired conviction in a commercial vehicle in the past 24 months.
Having a suspended, denied, canceled, or revoked license.

Applicants must successfully pass both a knowledge test and a practical skills test in order to be eligible for their CDL.

Endorsements
H – Hazardous Materials
X – Tank with Hazmat
N – Tank Vehicles
P – Passenger Vehicle
T – Triples / Double Rigs

Hit the Open Road

hawaii CDL License Test Tips

To obtain a CDL, all applicants must complete a knowledge test. This knowledge test contains 50 questions about the topic of commercial driving. All applicants for Class A CDLs must complete an additional 20 questions about combination driving. Those looking to obtain endorsements or to remove the Air Brake restriction will need to take additional assessments. Those seeking the Passenger, Doubles/Triples, and Tank Endorsements will need to pass a 20 question test. Those looking for the School Bus Endorsement and/or the Air Brake Restriction Removal will need to complete a 25 question test. The Hazmat Endorsement requires successful completion of a 30 question test. A passing score is marked at 80 percent or above.

Applicants must successfully complete a three-section skills assessment. This includes a vehicle inspection, driving test, and basic control skills test. This showcases the applicant’s ability to properly operate a commercial vehicle. Applicants must utilize the vehicle they are seeking an endorsement with to obtain their CDL endorsement.

Additional Information

Hawaii Division of Motor Vehicles Information

The State of Hawaii County of Hawaii Vehicle Registration and Licensing Division regulates CDL requirements and testing in Hawaii. To get more information contact them via:

Website: http://www.hawaiicounty.gov/finance-cdl-general-info

Phone: 808.961.2222

Additional HAWAII CDL Helpful Links

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

hawaii CDL Practice Test