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

The crack-the-whip effect is more likely to cause the front trailer to tip over.

true

trailers never tip

there is an equal chance for trailers to tip

false

2 / 40

You should_____when checking the slack adjusters on S-Cam brakes.

pull on the slack adjuster while the parking brakes are on

pull on the slack adjusters after draining the air from the system

pull hard on each slack adjuster while wearing gloves

make sure there is an inch of leeway in each direction for the slack adjuster

3 / 40

Play of the steering wheel should not exceed:

30 degrees

5 degrees

15 degrees

10 degrees

4 / 40

When should you avoid using the parking brake?

when the air pressure is low

while on an incline

whenever you park

when the brakes are hot

5 / 40

Which of these statements about signaling is correct?

Signal your intentions early and continuously.

Signal to others that it is safe to pass your bus.

Leave your signal on long after you've changed lanes.

Signaling is a warning, not a request.

6 / 40

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

The distrubition of weight.

The high center of gravity.

All answers listed.

The level of the fluid.

7 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

None of these answers are correct answers are correct

The catwalk

The locking jaw

The lock pins

8 / 40

Select how brakes work on long, steep downgrades:

it does not do anything

it is the main braking mechanism

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

they are a supplement to the braking effect of the engine

9 / 40

Select the true statement in regards to what the fifth wheel should be checked for.

if there is any missing or damaged parts

if it is properly greased

if the jaws are open

all answers listed

10 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

40 psi

20 psi

70 psi

They should never pop out

11 / 40

Which of the following is a key steering component?

bearing plate

leaf spring

torque rod

gear box

12 / 40

How much space should you see between the lower and upper fifth wheel when checking the coupling of a converter dolly?

it depends on how heavy the load is

1 to 1 1/2 inches

none

1/2 to 1 inch

13 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

During an emergency

Never

Always

For hazards not described in the hazmat manual

14 / 40

Which of the following must drivers have in their possession while transporting class A or B explosives?

None of these answers are correct.

The written route plan.

A gas mask.

The carrier's insurance policy.

15 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

false

true

only at the end of a shift

only in a level loading dock

16 / 40

The two other places where the hazardous identification number must appear are:

Any bulk packaging and the cargo tanks.

On the gas tank and a sticker in the glove compartment.

On the back of the truck and inside the glove compartment.

On a temporary license plate holder and the steering wheel.

17 / 40

If there is not a sight glass to check the oil level you are required to look for leaks around the _____.

wheel rims

axle seals/hub oil

brake pads

transmission

18 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

Yes

Only if you have more than 1,001 pounds of it

Only in populated areas

19 / 40

Air pressure should build___with a dual air system.

from 60 to 100 psi in 45 seconds

from 70 to 125 psi in 60 seconds

from 50 to 80 psi in 60 seconds

from 85 to 100 psi in 45 seconds

20 / 40

You must not allow riders to stand:

Within two feet of any window.

Within two feet of an emergency exit.

In front of the standee line.

Between the wheel wells.

21 / 40

Why should you test the tractor protection valve?

to avoid loss of air from the air hose

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

to avoid loss of air from the trailer brakes

all answers listed

22 / 40

How many different hazard classes are there?

23 / 40

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

the last trailer of a double

any trailer

a fully loaded trailer behind the tractor

the last trailer of a triple

24 / 40

What is the purpose of cladding in a tanker?

It eliminates liquid surge.

It protects the cargo from changes in temperature.

It protects the tanker form any corrosive cargo.

It controls the temperature of the cargo.

25 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

Driving too fast.

Driving with bad tires.

Driving on a wet surface.

Driving in the mountains.

26 / 40

What is the main difference between a portable tank and a cargo tank?

All of these answers are correct.

Cargo tanks are permanently attached, portable tanks are temporarily attached.

Cargo tanks are filled while on the vehicle, portable tanks are filled while off the vehicle.

Portable tanks must additionally show the owner or lessee's name on them.

27 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

open and latched

closed and latched

open and open

closed and open

28 / 40

When arriving at the destination announce:

The next departure time.

The location.

The reason for stopping.

All of these answers are correct.

29 / 40

What is the best way to see the sides and rear of your vehicle?

rear view cameras

a helper

your mirrors

all of these answers are correct

30 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

removing the dolly before uncoupling is not the correct procedure

so the rear-trailer's air brake system will stay charged and keep the trailer wheels locked to prevent rolling

it is possible that the dolly tow bar could fly up making it difficult to re-couple

to provide additional lateral stabilization to the front trailer

31 / 40

The object that doesn't get checked at the side of the trailer is the:

The locking pins/tandem release arm

The frame

The landing gear

Electrical/air connections

32 / 40

To decide which placards you need, if any, what three things do you need to know?

Materials hazard class, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Materials hazard class, percentage of total volume, and amount of all hazardous materials on your vehicle.

Packing group numbers, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Materials hazard class, location being shipped, and amount of all hazardous materials on your vehicle.

33 / 40

What is the purpose of the supply pressure gauge?

to inform you of how much air is in the tank

all of these answers are correct

to inform you about how hot the air in the tank is

to inform you if there is too little air in the tank

34 / 40

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

make things look closer and larger than they actually are

are illegal in most states

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

35 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

36 / 40

Bus drivers must have a commercial driver license if they drive a vehicle designed to seat more than:

15 or more persons, including the driver.

16 or more persons, including the driver.

10 or more persons, including the driver.

20 or more persons, excluding the driver.

37 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

Turn it off before unhooking.

Leave it on the entire time.

Turn it off on arrival—use other power to run the pump.

Turn if off after unhooking.

38 / 40

Some school busses are marked with the LNG placard. What does LNG stand for?

None of these answers are correct.

Lifted neutral graftring.

Liquified natural gas.

Low-range pneumatic gearbox.

39 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Not allow the rider to do it.

Have the rider pay a second fare.

Put the materials in the bus's "safe box".

Instruct the rider to sit next to an open window.

40 / 40

How often should air tanks be drained?

every 4-5 days

every 6 hours

every 7 days

once a day

Your score is

The average score is 0%

5/5 - (1 vote)

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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