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

Select the definition for outage:

It is how much power is lost to the hydraulics.

It is loss of power to the headlights.

It is the process of liquid expansion as it becomes warm.

It is the liquid that must be drained off to meet legal carry limit.

2 / 40

Charter drivers should not:

Explain rules at the start of the trip.

Mention rules at the start of the trip.

Remind riders about rules once trip begins.

Allow riders on the bus until departure time.

3 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

the trailer emergency brakes will kick on

the tractor spring brakes will kick on

the trailer tank pressure will be gone

the hand valve will stop functioning

4 / 40

What is incorrect concerning disruptive passengers?

It may be safer to wait and discharge the disruptive passenger at the next scheduled stop or a well-lighted area where there are other people.

Don't discharge such riders where it would be unsafe for them.

You must ensure the disurptive rider's safety as well as that of others.

You must remove the disruptive passenger immediately for the safety of the others.

5 / 40

Select the inappropriate way to test for the low pressure warning signal.

turn off the engine

decreased the air pressure by stepping on and off the brake pedal

have the electrical power on

ask for a pedestrian to listen for the signal

6 / 40

Which is more likely to tip over due to the crack the whip effect?

a fully loaded trailer behind the tractor

the last trailer of a double

any trailer

the last trailer of a triple

7 / 40

What are slack adjusters?

they are a part of the air brake system that adjusts the brakes

they are between the push rod on disc brakes and power screw

they are between the S-Cam on drum brakes and the push rod

all of these answers are correct

8 / 40

Select the true statement about seeing ahead.

many individuals do not look far enough ahead while driving

you should look up to 1/4 mile ahead when driving at highway speeds

all answers listed

good drivers will shift their attention from far and near and back and forth

9 / 40

Select the true statement about empty trucks:

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

they have poor traction due to wheel lockup and bouncing

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

they have a smaller stopping distance than full trailers

10 / 40

Rods, connecting links, and arms from the steering box to the wheel are a part of the:

Braking system

Power steering fluid

CB radio

Steering linkage

11 / 40

Which of the following statements about loading and unloading cargo tanks is false?

The person in attendance must be authorized and able to move the vehicle.

The person in attendance must be within 50 ft of the tanker.

The person attending the tanker must have a clear view of it.

The person in attendance must be aware of the danger.

12 / 40

Liquid surge affects the handling of a tanker by:

Allowing you to stop faster.

Decreasing the wind drag.

Allowing you to take tighter turns.

Moving the truck in the direction of liquid flow.

13 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

catwalk

fifth wheel

frame

apron

14 / 40

Tires should should be replaced:

all of these answers are correct

when there are broken valve stems

if the tread depth on your front tires is less than 4/32 deep

when the tread separates

15 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

brake disc

brake drums

air lines

slack adjusters

16 / 40

The minimum tire tread depth for front tires is:

1/2-inch

4/32-inch

3/8-inch

1/32-inch

17 / 40

To prevent a roll over a driver can 1) keep the cargo as low to the ground as possible and 2) _____.

take turns slowly

drive while intoxicated

have the fifth wheel's free play as tight as possible

have the brakes properly adjusted

18 / 40

What will occur as a result of failing to perform all 3 components of the air brake check?

A deduction of 15 points.

The driver must restart the pre-trip from the beginning.

None of the answers listed.

An automatic failure of the vehicle inspection test.

19 / 40

Select the true statement about dual air brake systems:

they have one set of controls for two air brake systems

they have a single set of air tanks and hoses

they require less time to build up air pressure

they are required to have two warning alarms

20 / 40

If you are drowsy, you should _____ before you drive.

take a cold shower

drink coffee

get sleep

do a little exercise

21 / 40

If you have to swerve to avoid a hazard, it's important to:

Know where other vehicles are around your bus by checking your mirrors.

Warn passengers with a loud and clear voice.

None of these answers are correct.

Make sure your passengers are wearing seat belts.

22 / 40

What is the reason that placards are used?

to prevent terrorism

so hazmat is not mixed with food

communicate the risk

it is the law

23 / 40

Select how brakes work on long, steep downgrades:

it is the main braking mechanism

it does not do anything

they are a supplement to the braking effect of the engine

it's the main braking mechanism with the engine braking system available for emergency situations

24 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

School district policies and police involvement.

Vehicles and drivers.

Bus drivers and driver training.

Vehicles and road conditions.

25 / 40

Which of the following statements is FALSE:

Avoid fueling your bus with riders on board unless absolutely necessary. never refuel in a closed building with riders on board.

Do not talk with riders or engage in any other distracting activity while driving.

Do not transport intoxicated passengers.

Do not tow or push a disabled bus with riders aboard either vehicle, unless getting off the bus would be unsafe.

26 / 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

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

27 / 40

For any flatbed load you must have at least ____ tie downs.

six

one

two

four

28 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

29 / 40

You should_____to uncouple the converter dolly.

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

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

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

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

30 / 40

Select the false statement about tractor protection valves.

the trailer air supply valve in the cab controls it

air is allowed to leak from the tractor line when it is closed

if the air pressure is low it will automatically close

should the trailer air leak, it keeps the air in the tractor

31 / 40

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

low

high

long

narrow

32 / 40

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

mud flaps

air brake lines

lifts/door/ties

electric/air lines

33 / 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

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

when the governor stops between 75-90 psi

if the compressor cuts out at between 70 and 90 psi

34 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

Class 2 explosives, class 3 flammable solids, and division 21 inhalation hazard.

Class 1 explosives, class 3 flammable liquids, and division 21 flammable gas.

Class 1 explosives, class 8 corrosives, and division 5 oxidizers.

None of these answers are correct.

35 / 40

What do you check when doing a visual inspection of the coupling?

the locking jaw is closed around the kingpin and there is no space beween the lower and upper fifth wheel

that the locking jaw is closed around the kingpin and that there is no space between the upper and lower fifth wheel

none of the answers listed

that the locking jaw is open around the kingpin and that there is some space between the lower and upper fifth wheel

36 / 40

You may use DANGEROUS placards instead of separate placards for each Table 2 hazard class when:

Both of these conditions must be met.

The correct answer is not listed.

You have 1,001 pounds or more of two or more table 2 hazard classes, requiring different placards.

You have not loaded 2,205 pounds or more of any table 2 hazard class material at any one place (you must use the specific placard for this material).

37 / 40

If your bus has an emergency exit door, it must:

Not have any signs, stickers, or markings anywhere near it.

Be closed when operating the bus.

Have a red electric door light turned on at all times.

All of these answers are correct.

38 / 40

Select the true statement about emergency brakes:

they are required to be activated the loss of air pressure

they are required on all commercial vehicles

all of these answers are correct

they are required to be held on by a mechanical force

39 / 40

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

To replace the rear door emergency buzzer.

To replace the parking brake.

As a safety feature when the exit door is open.

All of these answers are correct.

40 / 40

Select the action that is not appropriate when driving on slippery roads:

avoid having traffic in your side space

use a light pressure on the brake and accelerator pedals

none of the answers listed

use a speed retarder or engine brake

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

CDL Category Practice Tests

CDL Practice Test

How To Get A hawaii Commercial Drivers License

Hit the Open Road

hawaii CDL License Test Tips

Additional Information

Hawaii Division of Motor Vehicles Information

Additional HAWAII CDL Helpful Links

hawaii
CDL Practice Test