CDL Hazardous
Materials Test

This is the Commercial Vehicle Driver's License Test covering Hazardous Materials. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is no time limit. You may not go back once you answer a question. Click the "Start Quiz" button below to begin. Good luck!

1 / 40

When transporting hazardous waste, you must:

sign a uniform hazardous waste manifest

all of these answers are correct

have the word "waste" before the name of the material on the bills

carry a uniform hazardous waste manifest in the truck

2 / 40

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

100 pounds

any amount

10 pounds

10 cartons

3 / 40

A safe haven is ______.

an approved place for parking unattended vehicles loaded with corrosive materials

an approved place for parking unattended vehicles loaded with explosive materials

an approved place for parking unattended vehicles loaded with radioactive materials

an approved place for parking attended vehicles loaded with flammable materials

4 / 40

A "transport index" relates to products that are:

meant for human consumption

liquid

overweight

radioactive

5 / 40

The Emergency Response Guide, ERG, can best be explained as _____.

a guide explaining what materials can be hauled together in the same vehicle and a guidebook for firefighters, police, and industry workers on how to protect themselves and the public from hazardous materials

none of these answers are correct

a guide explaining what materials can be hauled together in the same vehicle

a guidebook for firefighters, police, industry workers, truck drivers, dock workers, and shippers on how to protect themselves and the public from hazardous materials

6 / 40

A portable tank differs from a cargo tank in that ______.

cargo tanks are bulk containers, which are not permanently attached to a vehicle

portable tanks are bulk containers, which are not permanently attached to a vehicle

none of these answers are correct

portable tanks are bulk containers, which are permanently attached to a vehicle

7 / 40

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

for hazards not described in the hazmat manual

always

during an emergency

never

8 / 40

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

class 3—flammable liquids

class 1—explosives

class 7—radioactive materials

class 4—live chickens

9 / 40

For Division 1.1 or 1.2 Explosives A, should the floor liner required be stainless steel?

yes

any type of floor liner is sufficient

never use a floor liner for any explosive class

10 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

class 42 only

class 52 only

classes 1, 2, 3, and 4

class 1 only

11 / 40

A placard is required for a combustible liquid at?

110 gallons

any amount

100 gallons

1,001 pounds or more

12 / 40

The Emergency Response Guidebook (ERG)

is studied by emergency personnel to help keep the public safe

contains an index of hazardous material id numbers, which is why you must label things correctly

all of these answers are correct

was created by the national department of transportation, so it is used nationwide

13 / 40

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

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

on the package and on paperwork at the shipping destination

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

on the shipping papers and on the package

14 / 40

Who is responsible for certifying on the bills of lading that the hazardous materials are prepared properly?

the dock workers

the shipper

the driver

the carrier

15 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

a UL rating of 15 ABC

a UL rating of 5 B/C or above

a UL rating of 10 B/C or above

any of these are acceptable

16 / 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 transport index and the separation distances table

the segregation and separation chart

the table of hazardous materials

the list of hazardous materials and reportable quantities

17 / 40

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

two or more trailers

none of these answers are correct

a placarded cargo tank

a 200 inch wheelbase trailer

18 / 40

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

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

materials hazard class, amount being shipped, and amount of all hazardous materials of all classes 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

19 / 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

20 / 40

Drivers placard their vehicle to _____ the risk.

communicate

elevate

minimize

take away

21 / 40

How often should you check the tires if your placarded trailer has dual tires?

check tires every 3 hours or 150 miles

check tires every 4 hours or 200 miles

check tires every 2 hours or 100 miles

check tires every hour or 75 miles

22 / 40

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

division 61

division 63

division 64

division 62

23 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

hazardous materials table

hazardous waste manifest

list of hazardous materials and reportable quantities

segregation and separation chart

24 / 40

A shipper’s certification is best described as _____.

a paper certification from the manufacturer given to the shipper

a paper certification given to the manufacturer from the shipper

a certification that the package has been prepared according to the rules when the shipper packages hazardous materials

a test for shippers that certifies that they are qualified to package hazardous materials

25 / 40

There must be a hazardous materials identification number on the ______ and on the ______.

invoice, shipping papers

shipping papers, package

trailer, packages

package, trailer

26 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

class 6 poisons

class 7 radioactive materials

class 3 flammable liquids

class 1 explosives

27 / 40

What are shippers trying to accomplish when they package the material?

make it easy to identify

make it as light as possible

all of these answers are correct

make it easy to open and close

28 / 40

The floor liner for explosives may not:

contain any of these materials

contain cracks or holes

contain nails or screws

contain steel or iron

29 / 40

If you are required to stop at railroad crossings, you must:

remember to never shift gears while crossing tracks

proceed only when you are sure no train is coming

stop 15 to 50 feet before the nearest rail

all of these answers are correct

30 / 40

Which of the following is a reason that shippers package material?

because it is the shipper's responsibilty to choose the correct packaging for a material classified as "hazardous"

because it is the shipper's responsibility to correctly label the transport vehicle with precautionary placards

all of these answers are correct

because it is the shipper's responsibility to determine whether or not a material is hazardous

31 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

in a fire-safe pouch under the passenger seat while you are driving

in a fire-safe pouch under the driver's seat that you can reach while you are driving

on the driver's seat anytime you are outside of the vehicle

in a locked glove compartment anytime you are outside of the vehicle

32 / 40

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

the correct answer is not listed

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)

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

both of these conditions must be met

33 / 40

When there is a hazardous materials emergency. You should:

keep people away and warn them of the danger

prevent smoking and keep open flames away

contact emergency authorities

all of these answers are correct

34 / 40

What placards, if any, do you need if your load includes 20 pounds of Division 2.3 gas and 1,001 pounds of flammable gas?

poison 23 and dangerous

poison 23 and flammable gas 21

none, you cannot load these materials together

just dangerous placards are required

35 / 40

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

Yellow III indicates the highest level of radioactivity

Yellow II indicates the highest level of radioactivity

White I indicates the highest level of radioactivity

Black III indicates the highest level of radioactivity

36 / 40

It is very important that you never smoke around which hazard classes?

all hazard classes

explosives, flammable gas, oxidizers, flammable solids, flammable liquids

it is ok to smoke anywhere

corrosive, radioactive, dangerous, slippery when wet, inhalation

37 / 40

If the hazardous materials are classified as FORBIDDEN you should:

remove the placards from the trailer

take special caution in transporting the material

refuse the load

place the materials in the front of the trailer

38 / 40

You must keep shipping papers describing hazardous materials ______.

in a pouch on the driver’s door or in clear view within immediate reach while the seat belt is fastened while driving on the driver’s seat when out of the vehicle

in a pouch on the drivers door or in the overhead compartment above the driver’s seat only

with the bills of lading

within 100 feet of the hazardous materials at all times

39 / 40

Cargo tanks ____.

are large drums used to contain hazmat that is loaded on a trailer

are tanks that the military uses to transport hazardous materials

are bulk packagings permanently attached to a vehicle

are large drums temporarily attached to a vehicle

40 / 40

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

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

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 in attendance must be aware of the danger

Your score is

The average score is 89%

5/5 - (2 votes)

CDL Hazardous Materials Test

CDL Category Practice Tests

CDL Hazardous
Materials Test