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

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 hazard class

the box number

2 / 40

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

the carrier's insurance policy

the written route plan

none of these answers are correct

a gas mask

3 / 40

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

any amount

10 pounds

100 pounds

10 cartons

4 / 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 8 corrosives, and division 5 oxidizers

none of these answers are correct

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

5 / 40

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

check for a fence around the loading dock

open and inspect every package and container

look at the shipping papers

ask the driver

6 / 40

If the hazardous materials are classified as FORBIDDEN you should:

place the materials in the front of the trailer

remove the placards from the trailer

take special caution in transporting the material

refuse the load

7 / 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, 21, and 3

classes 1, 3, and 4

classes 1, 4, and 51

classes 1, 3, and 6

8 / 40

A placarded vehicle must have at least ___ placards?

three

six

two

four

9 / 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

none of these answers are correct

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

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

10 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

may never be parked on private property

may not be parked on the cosignee's property

may never be left unattended under any condition

may be left unattended in a safe haven

11 / 40

When there is a hazardous materials emergency. You should:

prevent smoking and keep open flames away

contact emergency authorities

all of these answers are correct

keep people away and warn them of the danger

12 / 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 responsibilty to choose the correct packaging for a material classified as "hazardous"

all of these answers are correct

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

13 / 40

Where can you find a shipper’s certification?

there is no such thing

on the original shipping paper

on all packages

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

14 / 40

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

only when the vehicle does not require placards

never

only in the event of a federally declared emergency situation

only when the shipment does not cross state lines

15 / 40

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

a 200 inch wheelbase trailer

two or more trailers

none of these answers are correct

a placarded cargo tank

16 / 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

17 / 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 if off after unhooking

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

turn it off before unhooking

leave it on the entire time

18 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

the chemtrec phone number

the owner's PUCO or ICC number

the date of manufacture

the UN or NA ID number of the product

19 / 40

A "transport index" relates to products that are:

radioactive

liquid

meant for human consumption

overweight

20 / 40

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

segregation and separation chart

list of hazardous materials and reportable quantities

hazardous waste manifest

hazardous materials table

21 / 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

22 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

do not park within 500 feet

do not park within 300 feet

do not park within 100 feet

do not park within 200 feet

23 / 40

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

twice every day

every six hours

every two hours or 100 miles

every 200 miles

24 / 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, slowly and cautiously, until you reach a phone

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

keep driving for help as quickly as possible

send someone for help with all the necessary information

25 / 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

26 / 40

The designation RQ identifies the material's:

reference quotient

regulatory quotient

regulatory quantity

reportable quantity

27 / 40

When fueling a placarded vehicle, someone must always be:

be at the rear most corner on the vehicle

at the nozzle, controlling the fuel flow

within 10 feet of the pump with a fire extinguisher

at the emergency power shut off for the pump

28 / 40

When transporting hazardous waste, you must:

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

sign a uniform hazardous waste manifest

carry a uniform hazardous waste manifest in the truck

all of these answers are correct

29 / 40

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

dual

bias

treaded

radial

30 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

only if the arm is down telling vehicles to stop

impossible to tell without more information

yes

31 / 40

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

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

all of these answers are correct

cargo tanks are permanently attached, portable tanks are temporarily attached

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

32 / 40

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

a UL rating of 5 B/C or above

a UL rating of 15 ABC

any of these are acceptable

a UL rating of 10 B/C or above

33 / 40

When a substance in the materials table is written in italics it means :

it is not the proper shipping name only those in roman type above it are proper shipping names

it is the proper shipping name

the substance is for international transport

it is a foreign substance

34 / 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 2 hours or 100 miles

check tires every hour or 75 miles

check tires every 4 hours or 200 miles

35 / 40

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

the manufacturing date for the materials

the substance or material's hazard class

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

the amount of a substance or material being shipped

36 / 40

A safe haven is:

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

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

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

37 / 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 as light as possible

make it easy to open and close

38 / 40

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

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

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)

both of these conditions must be met

39 / 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

just dangerous placards are required

none, you cannot load these materials together

poison 23 and flammable gas 21

40 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

flares or fusees

signal fires

all of these answers are correct

reflective triangles

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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