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

What is a technical name?

the name for a hazardous material most commonly used in the trucking community, accepted as standard

the name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name

the medical term for hazardous materials used by medical personnel

the name for a hazardous material most commonly used on the street

2 / 40

Which of the following is the proper definition of a cargo tank?

a bulk container which can be securely affixed to a vehicle

none of these answers are correct

a bulk container not permanently attached to a vehicle

a bulk container permanently attached to a vehicle

3 / 40

When transporting both hazardous and non hazardous materials, your bills must:

have the hazardous materials highlighted

any one of the above

describe the hazardous materials first

identify the materials by the letter X or RQ in the HM column

4 / 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 twenty feet

at least ten feet

at least five feet

at least half a mile

5 / 40

Which of the following is a necessary qualification for non-bulk packaging?

all of these answers are necessary qualifications

maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid

maximum water capacity of 454 kg or less if used as a receptacle for gases

a maximum capacity of 450 l or less if it is used as a receptacle for liquids

6 / 40

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

none of these answers are correct

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

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

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

7 / 40

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

all of these answers are correct

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 determine whether or not a material is hazardous

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

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 7—radioactive materials

class 4—live chickens

class 1—explosives

9 / 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 carrier's insurance policy

a gas mask

the written route plan

10 / 40

Where can you find a shipper’s certification?

on all packages

on the original shipping paper

it is a separate document that all hazmat drivers must keep in their vehicles

there is no such thing

11 / 40

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

all of these answers are correct

cargo tanks are filled while on the vehicle, portable tanks are filled while off the vehicle

cargo tanks are permanently attached, portable tanks are temporarily attached

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

12 / 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

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

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

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

13 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

descriptive name in roman print

name in italics

identification number

UN marks

14 / 40

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

make it easy to identify

make it as light as possible

make it easy to open and close

all of these answers are correct

15 / 40

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

minimum of 15 feet

minimum of 5 feet

minimum of 10 feet

minimum of 2 feet

16 / 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

17 / 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 in populated areas

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

18 / 40

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

division 63

division 61

division 62

division 64

19 / 40

You must keep shipping papers describing hazardous materials ______.

within 100 feet of the hazardous materials at all times

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

with the bills of lading

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

20 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

all of these answers are correct

loaded into racks attached to the vehicle

in boxes that will keep them from turning over

loaded in an upright or horizontal position

21 / 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 if off after unhooking

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

22 / 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, location being shipped, 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, percentage of total volume, and amount of all hazardous materials on your vehicle

23 / 40

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

none of these answers are correct

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

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

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

24 / 40

In column 1, the "D" symbol means:

domestic transportation

detonators

devices

domestic restrictions

25 / 40

To find out if a shipment includes a hazardous material, you should:

ask the driver

check for a fence around the loading dock

open and inspect every package and container

look at the shipping papers

26 / 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 proper shipping name

the box number

the hazard class

27 / 40

The designation RQ identifies the material's:

reportable quantity

regulatory quantity

reference quotient

regulatory quotient

28 / 40

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

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

on the shipping papers and on the package

on the package and on paperwork at the shipping destination

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

29 / 40

When transporting hazardous loads, you must check the tires at least:

every 200 miles

twice every day

every six hours

every two hours or 100 miles

30 / 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

31 / 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?

just dangerous placards are required

poison 23 and flammable gas 21

none, you cannot load these materials together

poison 23 and dangerous

32 / 40

The Emergency Response Guidebook (ERG)

is studied by emergency personnel to help keep the public safe

all of these answers are correct

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

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

33 / 40

A placard is required for a combustible liquid at?

100 gallons

110 gallons

1,001 pounds or more

any amount

34 / 40

You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?

only when the shipment does not cross state lines

never

only in the event of a federally declared emergency situation

only when the vehicle does not require placards

35 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

classes 1, 3, and 6

classes 1, 4, and 51

classes 1, 3, and 4

classes 1, 21, and 3

36 / 40

In Column 1 the symbol "I" means:

international restrictions

invalid substance

iodine

international transportation

37 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

at least 300 feet

at least 600 feet

at least 400 feet

at least 500 feet

38 / 40

Cargo tanks are:

filled while they are off your vehicle, then attached for transportation

bulk packaging permanently attached to your vehicle

bulk packaging temporarily attached to your vehicle

only made in one size

39 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

the amount of a substance or material being shipped

the manufacturing date for the materials

the amount of all hazardous materials of all classes in your vehicle

the substance or material's hazard class

40 / 40

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

a UL rating of 10 B/C or above

a UL rating of 5 B/C or above

any of these are acceptable

a UL rating of 15 ABC

Your score is

The average score is 90%

5/5 - (2 votes)

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CDL Hazardous
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