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 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 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

2 / 40

An "A/W" the first column of the hazardous materials table means:

this material has no restrictions when shipped by air and/or water

this material is only restricted when shipped by air and/or water

there is no restrictions with this material if shipped by water only

it is ok to ship this material by air only

3 / 40

Which of the following materials would be an acceptable floor liner for moving Division 1.1 or 1.2 materials?

carbon steel

all of these answers are correct

non-ferrous metal

stainless steel

4 / 40

With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are:

corrosives and oxidizers

explosives A and B

liquids

acids and poisons

5 / 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 list of hazardous materials and reportable quantities

the transport index and the separation distances table

the segregation and separation chart

the table of hazardous materials

6 / 40

When there is a hazardous materials emergency. You should:

keep people away and warn them of the danger

contact emergency authorities

prevent smoking and keep open flames away

all of these answers are correct

7 / 40

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

only in the event of a federally declared emergency situation

only when the shipment does not cross state lines

never

only when the vehicle does not require placards

8 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

dual

treaded

bias

radial

9 / 40

Cargo tanks are:

bulk packaging permanently attached to your vehicle

only made in one size

bulk packaging temporarily attached to your vehicle

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

10 / 40

A safe haven is:

the slang term for the last stop at the end of your driving day when carrying hazardous materials

a place that has been approved to park unattended vehicles carrying explosives

a place where it is safe to dump any kind of hazardous materials

a place to stay once you have reported your company for illegal activity

11 / 40

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

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

all hazard classes

it is ok to smoke anywhere

corrosive, radioactive, dangerous, slippery when wet, inhalation

12 / 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

13 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

any more that 450 feet

any more than safety required

any more than 500 feet

in an upwind direction

14 / 40

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

make it easy to identify

all of these answers are correct

make it easy to open and close

make it as light as possible

15 / 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

16 / 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 flammable gas 21

none, you cannot load these materials together

poison 23 and dangerous

just dangerous placards are required

17 / 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 all hazardous materials of all classes in your vehicle

the amount of a substance or material being shipped

the substance or material's hazard class

the manufacturing date for the materials

18 / 40

Where can you find a shipper’s certification?

on all packages

there is no such thing

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

on the original shipping paper

19 / 40

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

UN marks

descriptive name in roman print

name in italics

identification number

20 / 40

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

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

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

all of these answers are correct

21 / 40

A placarded vehicle must have at least ___ placards?

six

three

two

four

22 / 40

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

the person in attendance must be aware of the danger

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 authorized and able to move the vehicle

23 / 40

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

Black III indicates the highest level of radioactivity

White I indicates the highest level of radioactivity

Yellow II indicates the highest level of radioactivity

Yellow III indicates the highest level of radioactivity

24 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

explosives

poisons

flammable gases

flammable liquids

25 / 40

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

check tires every 4 hours or 200 miles

check tires every 2 hours or 100 miles

check tires every hour or 75 miles

check tires every 3 hours or 150 miles

26 / 40

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

all of these answers are correct

stop 15 to 50 feet before the nearest rail

proceed only when you are sure no train is coming

remember to never shift gears while crossing tracks

27 / 40

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

none of these answers are correct

a placarded cargo tank

a 200 inch wheelbase trailer

two or more trailers

28 / 40

How often should you check the tires on a placarded trailer that has dual tires?

once every three hours

each time you stop

start of each day and every time you stop

once every 100 miles

29 / 40

The designation RQ identifies the material's:

reportable quantity

reference quotient

regulatory quotient

regulatory quantity

30 / 40

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

open and inspect every package and container

ask the driver

look at the shipping papers

check for a fence around the loading dock

31 / 40

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

division 64

division 63

division 61

division 62

32 / 40

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

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

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

33 / 40

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

invoice, shipping papers

shipping papers, package

package, trailer

trailer, packages

34 / 40

If the hazardous materials are classified as FORBIDDEN you should:

place the materials in the front of the trailer

refuse the load

remove the placards from the trailer

take special caution in transporting the material

35 / 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 4—live chickens

class 7—radioactive materials

class 3—flammable liquids

class 1—explosives

36 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

keep driving for help as quickly as possible

leave your truck parked with emergency lights on and walk for help

keep driving, slowly and cautiously, until you reach a phone

send someone for help with all the necessary information

37 / 40

A placarded vehicle must carry what type of fire extinguisher?

one with a rating of 10 B/C minimum

one with a rating of 10 A/B minimum

one with a rating of 5 B/C minimum

one with a rating of 5 A/B minimum

38 / 40

When fueling a placarded vehicle, someone must always be:

at the nozzle, controlling the fuel flow

at the emergency power shut off for the pump

within 10 feet of the pump with a fire extinguisher

be at the rear most corner on the vehicle

39 / 40

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

twice every day

every two hours or 100 miles

every six hours

every 200 miles

40 / 40

If your engine runs a pump used during delivery of compressed gas, should you turn off the engine before or after unhooking hoses after delivery?

turn it off during product transfer, while unhooking the hose

turn it off after product transfer, before you unhook the hose

turn it off before product transfer, before you hook the hose

none of these answers are correct

Your score is

The average score is 89%

5/5 - (2 votes)

CDL Hazardous Materials Test

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CDL Hazardous
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